August 31: ORD

Today is August 31st. It's the 243rd day of the year. 122 days remain. It's week 35 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 78 and the normal low is 59. I've calculated the 30-year averages at 80 and 59.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. The 90s highs were 92 in 2000 and 90 last year. The only 70s low was 71 in 1980. The record high of 99 was set in 1953. The record warmest low of 76 was set in 1941. Over the last 30 years, 28 highs were: 70s (13) and 80s (15). Two highs were in the warmer 90s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: in 1977 the high was 90 with a low of 72, a hot day. In 1976 the high was 90. In 1975 the high was 72 with a low of 65, a seven degree spread. In 1967 the high was 67. In 1961 the high was 92 with a low of 62, a 30 degree spread. In 1960 the high was 93 with a low of 70, a hot day.

More recently, there were large spreads of 31 degrees in 1984 (82/51) and 30 degrees last year (90/60).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. There were three highs in the lower 70s (70 in 2003, 71 in 1994 and 72 in 1987). The lowest temperature was 51 in 1984. The record low of 47 was set way back in 1872. The record coolest high of 62 occurred way back in 1892. Over the last 30 years, 29 lows were in the: 50s (14) and 60s (15). One low was in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:49 and sunrise is at 6:18. Sunset is at 19:28 and twilight ends at 19:57. Tomorrow twilight begins at 5:50 and sunrise is at 6:19. There's a total of 13 hours, 10 minutes of daylight today (three minutes less than yesterday) and 14 hours, 8 minutes between twilights. The moon is waxing gibbous. Illumination was 83% at midnight, will be 86% at noon and 90% at midnight tonight. Moonset was at 2:11 early this morning. Moonrise is at 17:32 this afternoon. Moonset is at 3:13 early tomorrow morning. Moonlight time is 8 hours, 39 minutes which is 27 minutes longer than yesterday.

Labor Day is in a week. Patriot Day is in 11 days. -Bernie-

August 30: ORD

Today is August 30th. It's the 242nd day of the year. 123 days remain. It's week 35 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 79 and the normal low is 59. I've calculated the 30-year averages at 80 and 61.

On the hot side, in 1995 the high was 92 with a low of 74. The other 90s high was 90 in 1993. The other 70s lows were 72 in 1983 and 71 (1980, 1991 and 2000). The record high of 96 was set in 1953. The record warmest low of 76 occurred way back in 1881. Over the last 30 years, 26 highs were: 70s (11) and 80s (15). Two highs were in the warmer 90s and two highs were in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: in 1976 the high was 79 with a low of 49, a 30 degree spread. In 1970 the high was 91. In 1969 the high was 90 with a low of 71, a hot day. In 1967 the high was 67. In 1965 the high was 64. In 1962 the high was 92 with a low of 62, a 30 degree spread. In 1961 the high was 91.

More recently, there was a large spread of 31 degrees last year (87/51) and a small spread of six degrees in 1994 (67/61).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. There were two highs in the 60s (67 in 1994 and 69 in 1999). There were two lows in the 40s (48 in 1986 and 49 in 1988). The record low of 47 was set in 1946. The record coolest high of 58 occurred way back in 1915. Over the last 30 years, 23 lows were in the: 50s (12) and 60s (11). Two lows were in the cooler 40s and five lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:48 and sunrise is at 6:17. Sunset is at 19:30 and twilight ends at 19:59. Tomorrow twilight begins at 5:49 and sunrise is at 6:18. There's a total of 13 hours, 13 minutes of daylight today (three minutes less than yesterday) and 14 hours, 11 minutes between twilights. The moon is waxing gibbous. Illumination was 75% at midnight, will be 79% at noon and 83% at midnight tonight. Moonset was at 1:11 early this morning. Moonrise is at 16:59 this afternoon. Moonset is at 2:11 early tomorrow morning. Moonlight time is 8 hours, 12 minutes which is 16 minutes longer than yesterday.

Labor Day is in eight days. Patriot Day is in 12 days. -Bernie-

August 29: ORD

Today is August 29th. It's the 241st day of the year. 124 days remain. It's week 35 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 79 and the normal low is 60. I've calculated the 30-year averages at 81 and 61.

On the hot side, in 1984 the high was 94 with a low of 71. In 1991 the high was 92 with a low of 73. In 1995 the high was 88 with a low of 73. The other 90s highs were 94 in 1983 and 92 in 1980. The other 70s low was 70 in 2000. The record high of 98 was set in 1953. The record warmest low of 74 was set in 1973. Over the last 30 years, 25 highs were: 70s (10) and 80s (15). Four highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: in 1973 the high was 92 with a low of 73, a hot day. In 1971 the high was 84 with a low of 53, a 31 degree spread. In 1965 the high was 66 with a low of 41, a cool day. In 1964 the high was 83 with a low of 52, a 31 degree spread. In 1962 the high was 92 with a low of 59, a 33 degree spread.

More recently, there was a large spread of 30 degrees in 1983 (94/64).

On the cool side, in 1986 the high was 71 with a low of 44. In 1982 the high was 72 with the record low of 43. Another cool low was 48 in 1988. The record coolest high of 62 occurred way back in 1893. Over the last 30 years, 15 lows were in the 60s. 11 lows were in the cooler: 40s (3) and 50s (8). Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:47 and sunrise is at 6:16. Sunset is at 19:32 and twilight ends at 20:01. Tomorrow twilight begins at 5:48 and sunrise is at 6:17. There's a total of 13 hours, 16 minutes of daylight today (two minutes less than yesterday) and 14 hours, 14 minutes between twilights. The moon is waxing gibbous, having reached first quarter two days ago at 6:42. Illumination was 67% at midnight, will be 71% at noon and 75% at midnight tonight. Moonset was at 0:15 early this morning.Moonrise is at 16:19 this afternoon. Moonset is at 1:11 early tomorrow morning. Moonlight time is 7 hours, 56 minutes which is 32 minutes shorter than yesterday.

Labor Day is in nine days. Patriot Day is in 13 days. -Bernie-

August 28: ORD

Today is August 28th. It's the 240th day of the year. 125 days remain. It's week 35 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 79 and the normal low is 60. I've calculated the 30-year averages at 81 and 62.

On the hot side, in 1991 the high was 95 with a low of 71. In 1980 the high was 95 with a low of 69. The other 90s highs were 94 in 1984, 93 in 1990, 92 in 1983, 92 in 2003, 91 in 2007 and 90 in 1999. The other 70s low was 70 in 1999. The record high of 97 was first set in 1953 and tied just two years later in 1955. The record warmest low of 77 was set in 1973. Over the last 30 years, 27 highs were: 70s (12), 80s (7) and 90s (8). Three highs were in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: in 1977 the high was 90. In 1973 the high was 92 with a low of 75, a hot day. In 1967 the high was 78 with a low of 47, a 31 degree spread. In 1965 the high was 65 with a low of 42, a cool day. In 1962 the high was 89 with a low of 59, a 30 degree spread. In 1961 the high was 91. In 1959 the high was 91.

More recently, there was a large spread of 33 degrees in 2003 (92/59).

On the cool side, in 1986 the high was 65 with the record low of 42. In 1982 the high was 66 with a low of 43. The other 60s high was 69 in 1992. The record coolest high of 63 occurred way back in 1891. Over the last 30 years, 18 lows were in the 60s. Ten lows were in the cooler: 40s (2) and 50s (8). Two lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:46 and sunrise is at 6:15. Sunset is at 19:33 and twilight ends at 20:02. Tomorrow twilight begins at 5:47 and sunrise is at 6:16. There's a total of 13 hours, 18 minutes of daylight today (three minutes less than yesterday) and 14 hours, 16 minutes between twilights. The moon is waxing gibbous, having reached first quarter yesterday at 6:42. Illumination was 58% at midnight, will be 62% at noon and 67% at midnight tonight. Moonrise is at 15:32 this afternoon. Moonset is at 0:15 early tomorrow morning. Moonlight time is 8 hours, 28 minutes which is 19 minutes shorter than yesterday.

Labor Day is in ten days. Patriot Day is in two weeks. -Bernie-

August 27: ORD

Today is August 27th. It's the 239th day of the year. 126 days remain. It's week 35 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 79 and the normal low is 60. I've calculated the 30-year averages at 82 and 64.

On the hot side, in 1990 the high was 93 with a low of 72. Three years later, in 1993, the high was 94 with a low of 70. The other 90s highs were 92 in 1991, 91 in 1980 and 90 in 1984. The other 70s lows were 71 in 1990, 71 in 2006 and 70 in 1991. The record high of 97 and record warmest low of 77 were set on the same day in 1973. Over the last 30 years, 15 highs were 80s. Five highs were in the warmer 90s. Ten highs were in the cooler: 60s (4) and 70s (6).

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: in 1977 the high was 92 with a low of 78, a hot day. In 1976 the high was 95 with a low of 74, a hot day. In 1973 the high was 95 with a low of 75, a hot day. This was the year that the records were set at Midway Airport. In 1968 the high was just 67 with a low of 50, a cool day. In 1967 the high was just 64. In 1964 the high was 85 with a low of 55, a 30 degree spread. In 1962 the high was 88 with a low of 51, a 37 degree spread. In 1961 the high was 93. In 1960 the high was 90. In 1959 the high was 89 with a low of 73, a very warm day.

More recently, there was a small spread of five degrees in 1987 (66/61).

On the cool side, in 1986 the high was 67 with a low of 48. The coolest temperature was the record low of 47 degrees in 1982. The other cool highs were 63 in 1992 and 66 in 1987. The record coolest high of 61 occurred way back in 1915. Over the last 30 years, 21 lows were in the 60s. Four lows were in the cooler: 40s (2) and 50s (2). Five lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:44 and sunrise is at 6:14. Sunset is at 19:35 and twilight ends at 20:04. Tomorrow twilight begins at 5:46 and sunrise is at 6:15. There's a total of 13 hours, 21 minutes of daylight today (three minutes less than yesterday) and 14 hours, 20 minutes between twilights. The moon reaches first quarter today at 6:42. Illumination was 48% at midnight, will be 53% at noon and 58% at midnight tonight. Moonrise is at 14:37 this afternoon. Moonset is at 23:24 this evening. Moonlight time is 8 hours, 47 minutes which is 18 minutes shorter than yesterday.

Labor Day is in 11 days. Patriot Day is in 15 days. -Bernie-

August 26: ORD

Today is August 26th. It's the 238th day of the year. 127 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 79 and the normal low is 60. I've calculated the 30-year averages at 83 and 64.

On the hot side, in 1993 the high was 94 with a low of 74. A decade later, in 2003, the high was 92 with a low of 71. The other 90s highs were 93 in 1991, 92 in 1980 and 91 in 1995. The only other 70s low was 70 in 1990. The record high of 97 and record warmest low of 77 were set on the same day in 1973. Over the last 30 years, 16 highs were 80s. Five highs were in the warmer 90s. Nine highs were in the cooler: 70s (8) and 60s (1).

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1973 the high was 93 with a low of 75, a hot day. This was the year that the records were set at Midway Airport. In 1968 the high was just 65. In 1964 the high was 74 with a low of 41, a 33 degree spread and cool day. That low of 41 was cooler than the record low. In 1959 the high was 92 with a low of 74, a hot day.

More recently, there were no small spreads of up to seven degrees or large spreads of at least 30 degrees.

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was 54 degrees in 1988. The record low of 47 was set way back in 1887. The coolest high was 65 degrees in 1987. The record coolest high of 61 occurred way back in 1885. Over the last 30 years, 20 lows were in the 60s. Seven lows were in the cooler 50s. Three lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:43 and sunrise is at 6:13. Sunset is at 19:37 and twilight ends at 20:06. Tomorrow twilight begins at 5:44 and sunrise is at 6:14. There's a total of 13 hours, 24 minutes of daylight today (two minutes less than yesterday) and 14 hours, 23 minutes between twilights. The moon is waxing crescent. Illumination was 38% at midnight, will be 43% at noon and 48% at midnight tonight. Moonrise is at 13:35 this afternoon. Moonset is at 22:40 this evening. Moonlight time is 9 hours, 5 minutes which is 30 minutes shorter than yesterday.

Labor Day is in 12 days. Patriot Day is in 16 days. -Bernie-

August 25: ORD

Today is August 25th. It's the 237th day of the year. 128 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 80 and the normal low is 60. I've calculated the 30-year averages at 82 and 63.

On the hot side, in 2003 the high was the co-record high of 95 with a low of 71. In 1995 the high was 90 with our warmest low of 73. The other co-record high of 95 occurred in 1991. The record highs of 95 were originally set at Midway in 1953 and 1959. To round out the 90s highs, it hit 90 in 1994. Other warm 70s lows were 71 in 2003 and 70 in 1993. The record warmest low of 74 occurred in 1959. Over the last 30 years, 16 highs were 80s. Four highs were in the warmer 90s. Ten highs were in the cooler: 70s (9) and 60s (1).

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1977 the high was 79 with a low of 48, a 31 degree spread. 1969 was the start of four consecutive days of highs of 86 degrees (25th-28th). In 1967 the high was 82 with a low of 50, a 32 degree spread. In 1964 the low was 47, equal to the record low. In 1959 the high was 94 with a low of 73, a hot day. This was a year of one of the co-record highs.

More recently, there were small spreads of six degrees in 1987 (62/56) and seven degrees in 1999 (73/66).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperatures were 52 degrees. This happened in both 1979 and 1984. The record low of 47 was set in 1917. The coolest high was the record coolest high of 62, which occurred in 1987. The former record coolest high of 63 occurred in 1965. Over the last 30 years, 18 lows were in the 60s. Nine lows were in the cooler 50s. Three lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:42 and sunrise is at 6:12. Sunset is at 19:38 and twilight ends at 20:08. Tomorrow twilight begins at 5:43 and sunrise is at 6:13. There's a total of 13 hours, 26 minutes of daylight today (four minutes less than yesterday) and 14 hours, 26 minutes between twilights. The moon is waxing crescent. Illumination was 28% at midnight, will be 33% at noon and 38% at midnight tonight. Moonrise is at 12:28 this afternoon. Moonset is at 22:03 this evening. Moonlight time is 9 hours, 35 minutes which is 37 minutes shorter than yesterday.

Labor Day is in 13 days. Patriot Day is in 17 days. -Bernie-

August 24: ORD

Today is August 24rd. It's the 236th day of the year. 129 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 80 and the normal low is 61. I've calculated the 30-year averages at 81 and 62.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. The warmest high was 90 in 1983. The record high of 100 was set in 1947. There were no 70s lows. A low of 69 occurred three times (1992, 1994 and 2007). The record warmest low of 78 occurred in 1975. Over the last 30 years, 29 highs were: 70s (11) and 80s (18). One high was in the warmer 90s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1975 the high was 91 with a low of 79, a hot day. In 1971 the high was 90 with a low of 59, a 31 degree spread. In 1969 the high was 87 with a low of 57, a 30 degree spread. In 1968 the high was 90. In 1967 the low was 48, equal to the record low. In 1966 the low was 49. In 1965 the high was 82 with a low was 45, a 37 degree spread. That low of 45 is cooler than the record low. In 1964 the high was 75 with a low of 45, a 33 degree spread. That low of 45 was also cooler than the record low. In 1963 the high was 70 with a low of 66, a four degree spread. In 1962 the high was 94 with a low of 71, a hot day. In 1959 the high was 92 with a low of 71, a hot day.

More recently, there was a large spread of 31 degrees in 1983 (90/59). There were small spreads of six degrees in 1989 (73/67) and seven degrees in 1999 (74/67).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was 51 degrees. This happened in both 1984 and 1987. The record low of 48 was set in 1942. The coolest high was 72, which occurred in 1987. The record coolest high of 63 occurred way back in 1891. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 19 lows were in the 60s. 11 lows were in the cooler 50s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:41 and sunrise is at 6:10. Sunset is at 19:40 and twilight ends at 20:09. Tomorrow twilight begins at 5:42 and sunrise is at 6:12. There's a total of 13 hours, 30 minutes of daylight today and 14 hours, 28 minutes between twilights. The moon is waxing crescent. Illumination was 19% at midnight, will be 23% at noon and 28% at midnight tonight. Moonrise is at 11:19 this morning. Moonset is at 21:31 this evening. Moonrise is at 12:28 tomorrow afternoon. Moonlight time is 10 hours, 12 minutes which is 43 minutes shorter than yesterday.

Labor Day is in two weeks. Patriot Day is in 18 days. -Bernie-

August 23: ORD

Today is August 23rd. It's the 235th day of the year. 130 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 80 and the normal low is 61. I've calculated the 30-year averages at 81 and 63.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were 91 in 1993 and 90 in 1998. The record high of 97 was set in 1947. There was only one 70s low: 71 in 1998. The record warmest low of 76 occurred in 1968. Over the last 30 years, 28 highs were: 70s (13) and 80s (15). Two highs were in the warmer 90s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1975 the high was 92 with a low of 74, a hot day. In 1973 the high was 67 with a low of 63, a four degree spread. In 1972 the high was 75 with a low of 71, a four degree spread. In 1969 the high was 86 with a low of 53, a 33 degree spread. In 1968 the high was 95 with a low of 77, a hot day. 1968 was the year of the record warmest low. In 1965 the low was 47, a reading cooler than the record low. In 1964 the high was a cool 68. In 1962 the high was 94. In 1961 the high was a cool 68. In 1959 the high was 91.

More recently, there was a small spread of five degrees in 2001 (74/69).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was 54 degrees. This happened in both 1987 and 1997. The record low of 51 was set way back in 1888. The coolest high was 73, which occurred in both 1987 and 2005. The record coolest high of 62 occurred way back in 1890. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 20 lows were in the 60s. Nine lows were in the cooler 50s. One low was in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:40 and sunrise is at 6:09. Sunset is at 19:42 and twilight ends at 20:11. Tomorrow twilight begins at 5:41 and sunrise is at 6:10. There's a total of 13 hours, 33 minutes of daylight today and 14 hours, 31 minutes between twilights. The moon is waxing crescent. Illumination was 11% at midnight, will be 15% at noon and 19% at midnight tonight. Moonrise is at 10:07 this morning. Moonset is at 21:02 this evening. Moonrise is at 11:19 tomorrow morning. Moonlight time is 10 hours, 55 minutes which is 48 minutes shorter than yesterday.

Labor Day is in 15 days. Patriot Day is in 19 days. -Bernie-

August 22: ORD

Today is August 22nd. It's the 234th day of the year. 131 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 80 and the normal low is 61. I've calculated the 30-year averages at 82 and 62.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. The warmest high was 90 two years ago. This was the first 90s high since 1976 (see below). The record high of 99 was set in 1936. The three 70s lows were: 72 last year, 71 in 1989 and 70 in 1996. The record warmest low of 76 occurred in 1968. Over the last 30 years, 21 highs were in the 80s. One highs was in the warmer 90s. Eight highs were in the cooler 70s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1976 the high was 90. In 1972 the high was 90. in 1971 the high was 93. In 1968 the high was 94 with a low of 76, a hot day. In 1967 the high was just 64. In 1962 the high was 93 with a low of 55, a 38 degree spread. In 1959 the high was 94 with a low of 74, a hot day.

More recently, there was a small spread of five degrees in 1990 (72/67). There were two large spreads: 32 degrees in 1992 (83/51) and 31 degrees in 2004 (80/49).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was the record low of 49, set in 2004. The former record lows were 51 way back in 1890 and 51 in 1992. The coolest high was 72 in 1990. The record coolest high of 60 occurred way back in 1890. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 19 lows were in the 60s. Eight lows were in the cooler: 40s (1) and 50s (7). Three lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:39 and sunrise is at 6:08. Sunset is at 19:43 and twilight ends at 20:13. Tomorrow twilight begins at 5:40 and sunrise is at 6:09. There's a total of 13 hours, 35 minutes of daylight today and 14 hours, 34 minutes between twilights. The moon is waxing crescent, having reached new two days ago at 5:02. Illumination was 5% at midnight, will be 8% at noon and 11% at midnight tonight. Moonrise was at 8:54 this morning. Moonset is at 20:37 this evening. Moonrise is at 10:07 tomorrow morning. Moonlight time is 11 hours, 43 minutes which is 50 minutes shorter than yesterday.

Labor Day is in 16 days. Patriot Day is in 20 days. -Bernie-

August 21: ORD

Today is August 21st. It's the 233rd day of the year. 132 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 81 and the normal low is 61. I've calculated the 30-year averages at 82 and 61.

On the hot side, in 2003 the high was 95 with a low of 72. The other 90s highs were 95 in 1983 and 90 in 1996. The record high of 99 was set in 1955. The only other 70s low was 70 in 1998. The record warmest low of 82 occurred back in 1916. Over the last 30 years, 27 highs were: 70s (10) and 80s (17). Three highs was in the warmer 90s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1975 the high was 94 with a low of 76, a hot day. In 1972 the high was 90. in 1971 the high was 91. In 1968 the high was 95 with a low of 77, a hot day. In 1962 the high was 90 with a low of 60, a 30 degree spread. In 1959 the high was 94 with a low of 75, a hot day.

More recently, there was a small spread of four degrees in 1990 (71/67). There were two large spreads: 32 degrees in 1991 (85/53) and 32 degrees in 1992 (81/49).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was 49 in 1992. The coolest high was 71 in 1990. The record low of 46 was set in 1950. The record coolest high of 66 was set in 1939. Over the last 30 years, 27 lows were: 50s (13) and 60s (14). One low was in the cooler 40s and two lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:38 and sunrise is at 6:07. Sunset is at 19:45 and twilight ends at 20:14. Tomorrow twilight begins at 5:39 and sunrise is at 6:08. There's a total of 13 hours, 38 minutes of daylight today and 14 hours, 36 minutes between twilights. The moon is waxing crescent, having reached new yesterday at 5:02. Illumination was 1% at midnight, will be 3% at noon and 5% at midnight tonight. Moonrise was at 7:39 this morning. Moonset is at 20:12 this evening. Moonrise is at 8:54 tomorrow morning. Moonlight time is 12 hours, 33 minutes which is 52 minutes shorter than yesterday.

Labor Day is in 17 days. Patriot Day is in three weeks. -Bernie-

August 20: ORD

Today is August 20th. It's the 232nd day of the year. 133 days remain. It's week 34 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 81 and the normal low is 61. I've calculated the 30-year averages at 81 and 61.

On the hot side, in 1980 the high was 93 with a low of 74. The record high of 98 was set in 1947. The record warmest low of 80 occurred back in 1916. Over the last 30 years, 29 highs were: 70s (14) and 80s (15). One high was in the warmer 90s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1976 the high was 88 with a low of 57, a 31 degree spread. In 1971 the high was 94. In 1968 the high was 95 with a low of 71, a hot day. In 1962 the high was 91 with a low of 61, a 30 degree spread. In 1959 the high was 91 with a low of 74, a hot day.

More recently, there was a small spread of five degrees in 1990 (74/69). There were two large spreads: 32 degrees in 1986 (86/54) and 30 degrees in 1987 (85/55).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was 49 in 1992. The coolest high was 71 in 1985. The record low of 47 was set in 1950. The record coolest high of 66 was set in 1940. Over the last 30 years, 28 lows were: 50s (13) and 60s (15). One low was in the cooler 40s and one was in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:36 and sunrise is at 6:06. Sunset is at 19:46 and twilight ends at 20:16. Tomorrow twilight begins at 5:38 and sunrise is at 6:07. There's a total of 13 hours, 40 minutes of daylight today and 14 hours, 40 minutes between twilights. The moon new today at 5:02. Illumination was 0% at midnight, will be 0% at noon and 1% at midnight tonight. Moonrise was at 6:21 this morning. Moonset is at 19:46 this evening. Moonrise is at 7:39 tomorrow morning. Moonlight time is 13 hours, 25 minutes which is 52 minutes shorter than yesterday.

Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary today. Labor Day is in 18 days. Patriot Day is in 22 days. -Bernie-

August 19: ORD

Today is August 19th. It's the 231st day of the year. 134 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 81 and the normal low is 62. I've calculated the 30-year averages at 80 and 62.

On the hot side, in 1983 the high was the record high of 99 with a low of 71. The only other 90s high was 91 in 1980. There were three other lows in the 70s: 72 in 1995, 71 in 1993 and 70 in 1988. The record warmest low of 82 occurred back in 1916. Over the last 30 years, 27 highs were: 70s (13) and 80s (14). Two highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1968 the high was 91 with a low of 75, a hot day. In 1967 the high was 64 with a low of 57, a seven degree spread. In 1964 the high was 82 with a low of 49, a 33 degree spread. That low of 49 is cooler than the record low. In 1959 the high was 92.

More recently, there were small spreads of four degrees in 1988 (74/70) and six degrees two years ago (68/62).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was the record low of 51 in 1992. The coolest high was 68 two years ago. You have to go all the way back to 1967 to find the previous sub-70 degree high of 64 degrees. On that day in 1967 we also had 0.52 inches of rain. The record coolest high of 62 was set way back in 1897. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 26 lows were: 50s (12) and 60s (14). Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:35 and sunrise is at 6:05. Sunset is at 19:48 and twilight ends at 20:18. Tomorrow twilight begins at 5:36 and sunrise is at 6:06. There's a total of 13 hours, 43 minutes of daylight today and 14 hours, 43 minutes between twilights. The moon is waning crescent and will be new tomorrow at 5:02. Illumination was 2% at midnight, will be 1% at noon and 0% at midnight tonight. Moonrise was at 5:01 this morning. Moonset is at 19:18 this evening. Moonrise is at 6:21 tomorrow morning. Moonlight time is 14 hours, 17 minutes which is 48 minutes shorter than yesterday.

My tennis coach, Bob Finder, is 77 today. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary tomorrow. Labor Day is in 19 days. Patriot Day is in 23 days. -Bernie-

August 18: ORD

Today is August 18th. It's the 230th day of the year. 135 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 81 and the normal low is 62. I've calculated the 30-year averages at 80 and 62.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. There were two highs in the 90s: 91 in 1990 and 90 in 1995. There were five 70s lows. The warmest was 73 in 1995. The record high of 98 was set in 1947 and the record warmest low of 79 occurred in 1972. Over the last 30 years, 26 highs were: 70s (14) and 80s (12). Two highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1972 the high was 93 with a low of 76, a hot day. In 1963 the high was 69 with a low of 42, a cool day. That low of 42 is cooler than the record low. In 1962 the high was 82 with a low of 48, a 34 degree spread. That low of 48 is cooler than the record low. In 1961 the high was 87 with a low of 56, a 31 degree spread. In 1960 the high was 92.

More recently, there was a large spread of 30 degrees in 1982 (83/53).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperature was 51 in 1981. The record low of 49 was set in 1963. The coolest high was 68 two years ago. You have to go all the way back to 1963 to find the previous sub-70 degree high of 69 degrees. On that day in 1963 the low was 42, the lowest temperature of August 1963. It was also 69 on the prior day, August 17, 1963. The record coolest high of 65 was set in 1950. Over the last 30 years, 24 lows were: 50s (11) and 60s (13). Five lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:34 and sunrise is at 6:04. Sunset is at 19:49 and twilight ends at 20:19. Tomorrow twilight begins at 5:35 and sunrise is at 6:05. There's a total of 13 hours, 45 minutes of daylight today and 14 hours, 45 minutes between twilights. The moon is waning crescent, heading towards new in two days at 5:02. Illumination was 7% at midnight, will be 4% at noon and 2% at midnight tonight. Moonrise was at 3:40 this morning. Moonset is at 18:45 this evening. Moonrise is at 5:01 tomorrow morning. Moonlight time is 15 hours, 5 minutes which is 40 minutes shorter than yesterday.

My tennis coach, Bob Finder, will be 77 tomorrow. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in two days. Labor Day is in 20 days. Patriot Day is in 24 days. -Bernie-

August 17: ORD

Today is August 17th. It's the 229th day of the year. 136 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 82 and 62.

On the hot side, in 1988 the high was the record high of 98 with a low of 77. There were two other highs in the 90s: 94 in 1983 and 93 in 1995. There were three other 70s lows: 72 in 1995, 71 in 2003 and 70 in 1990. The record warmest low of 78 occurred back in 1972. Over the last 30 years, 26 highs were: 70s (11) and 80s (15). Three highs were in the warmer 90s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1976 the high was 80 with a low of 47, a 33 degree spread. That low of 47 was cooler than the record low. In 1972 the high was 92 with a low of 77. In 1966 the high was 88 with a low of 57, a 31 degree spread. In 1963 the high was 69 with a low of 46, a cool day. That low of 46 is cooler than the record low. In 1962 the high was 81 with a low of 51, a 30 degree spread.

More recently, there was a small spread of four degrees in 1990 (74/70).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest lows were 49 in 1992 and 51 in 1981. The record low of 48 was set in 1976. The coolest high was 73 in 1981. The record coolest high of 66 was set back in 1924. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 16 lows were 60s. Nine lows were in the cooler: 40s (1) and 50s (8). Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight was at 5:33 and sunrise was at 6:03. Sunset is at 19:51 and twilight ends at 20:21. Tomorrow twilight begins at 5:34 and sunrise is at 6:04. There's a total of 13 hours, 48 minutes of daylight today and 14 hours, 48 minutes between twilights. The moon is waning crescent. Illumination was 14% at midnight, will be 10% at noon and 7% at midnight tonight. Moonrise was at 2:21 this morning. Moonset is at 18:06 this evening. Moonrise is at 3:40 tomorrow morning. Moonlight time is 15 hours, 45 minutes which is 24 minutes shorter than yesterday.

My tennis coach, Bob Finder, will be 77 in two days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in three days. -Bernie-

August 16: ORD

Today is August 16th. It's the 228th day of the year. 137 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 83 and 62.

On the hot side, in 1988 the high was the co-record high of 98 with a low of 73. In 1983 the high was the co-record high of 98 with a low of 71. In 1995 the high was 94 with a low of 73. The record warmest low of 78 occurred back in 1913. There were four other 90s highs, all of them in the low 90s. There was just one other 70s low, that being 73 in 2003. Over the last 30 years, 22 highs were: 70s (9) and 80s (13). Seven highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1976 the low was 49. In 1968 the high was 94. In 1964 the high was 83 with a low of 46, a 37 degree spread. That low of 46 is cooler than the record low. In 1963 the high was 81 with a low of 51, a 30 degree spread.

More recently, there was a large spread of 30 degrees in 2004 (78/48) and a small spread of five degrees in 2001 (70/65).

On the cool side, in 1979 the high was 72 with a low of 45. That low of 45 is cooler than the record low. The record low of 48 was set in 2004. The former record low of 49 was set at Midway in 1976. The other cool low was 50 in 1992. There were three other cool highs: 66 in 1980, 70 in 1981 and 70 in 2001. The record coolest high of 65 was set way back in 1902. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 24 lows were: 50s (9) and 60s (15). Two lows were in the cooler 40s. Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight was at 5:32 and sunrise was at 6:02. Sunset is at 19:52 and twilight ends at 20:22. Tomorrow twilight begins at 5:33 and sunrise is at 6:03. There's a total of 13 hours, 50 minutes of daylight today and 14 hours, 50 minutes between twilights. The moon is waning crescent. Illumination was 24% at midnight, will be 19% at noon and 14% at midnight tonight. Moonrise was at 1:09 this morning. Moonset is at 17:18 this afternoon. Moonrise is at 2:21 tomorrow morning. Moonlight time is 16 hours, 9 minutes which is one minute shorter than yesterday.

My tennis coach, Bob Finder, will be 77 in three days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in four days. -Bernie-

Posted by Bernie Ziegler at 12:22 0 comments

August 15: ORD

Today is August 15th. It's the 227th day of the year. 138 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 82 and 63.

On the hot side, in 1988 the high was 94 with record warmest low of 74. There were three other 90s highs: 92 in 2000, 90 in 1983 and 90 in 1987. There were six other lows in the 70s, all of them in the low 70s. The record high of 98 was set in 1944. Over the last 30 years, 25 highs were: 70s (10) and 80s (15). Four highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1978 the high was 92. In 1966 the high was 90. In 1965 the high was 91. In 1964 the high was 78 with a low of 41, a 37 degree spread and cool day. That low of 41 is cooler than the record low. In 1963 the low was 50.

More recently, there was a large spread of 33 degrees in 1984 (87/54).

On the cool side, in 1979 the high was 69 with a low of 46. That low of 46 is cooler than the record low. The record low of 48 was set in 2004. The former record low of 51 was set at Midway in 1964. There was only one lower 70s high. This was 71 in 1992. The record coolest high of 64 was set way back in 1894. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 16 lows were 60s. Seven lows were: 40s (2) and 50s (5). Seven lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight was at 5:31 and sunrise was at 6:01. Sunset is at 19:54 and twilight ends at 20:24. Tomorrow twilight begins at 5:32 and sunrise is at 6:02. There's a total of 13 hours, 53 minutes of daylight today and 14 hours, 53 minutes between twilights. The moon reached last quarter two days ago at 13:55. The moon is waning crescent. Illumination was 34% at midnight, will be 29% at noon and 24% at midnight tonight. Moonrise was at 9 minutes past midnight. Moonset is at 16:19 this afternoon. Moonrise is at 1:09 tomorrow morning. Moonset is at 17:18 tomorrow afternoon. Moonlight time is 16 hours, 10 minutes which is 57 minutes longer than yesterday. This is the longest moonlight time for several days, but it is just a minute shorter tomorrow!

My tennis coach, Bob Finder, will be 77 in four days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in five days. -Bernie-

August 14: ORD

Today is August 14th. It's the 226th day of the year. 139 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 80 and 62.

On the hot side, in 1995 the high was 95 with the record warmest low of 79. In 1988 the high was 92 with a very warm low of 75. There were only two other 90s highs: 90 in both 1983 and 1993. The record high of 99 was set in 1944. Over the last 30 years, 25 highs were: 70s (13) and 80s (12). Four highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1972 the high was 92. In 1970 from the 11th through the 17th, highs were at least 85. The warmest was 88 on the 15th. Lows were at least 62 except for 57 on the 17th. In 1969 from the 12th through the 18th, highs were at least 85. The warmest was 88 on the 14th. Lows were at least 68 except for 61 on the 12th. The warmest low was 74 on the 14th, and there were lows of 71 on both the 15th and 18th. In 1967 the low was 48 which is equal to the day's record low. In 1964 the high was 76 with a low of 42, a 34 degree spread and a cool day. That low of 42 was cooler than the record low. In 1963 the high was 72 with a low of 48, a cool day. That low of 48 was also equal to the day's record low. In 1959 the high was 90 with a low of 75. The low qualifies as significantly above normal.

More recently, there was a large spread of 33 degrees in 1984 (84/51).

On the cool side, in 2004 the high was 70 with a low of 50. The other low 50s lows were 51 in 1984 and 52 in 1990. The highs not to make it out of the low 70s were 67 in 1992, 70 in 1979 and 72 in 1994. The record low of 48 was set at Midway in 1964. The record coolest high of 65 was set way back in 1885. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 28 lows were: 50s (12) and 60s (16). Two lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:30 and sunrise is at 6:00. Sunset is at 19:55 and twilight ends at 20:25. Tomorrow twilight begins at 5:31 and sunrise is at 6:01. There's a total of 13 hours, 55 minutes of daylight today and 14 hours, 55 minutes between twilights. The moon reached last quarter yesterday at 13:55. The moon is waning crescent. Illumination was 45% at midnight, will be 39% at noon and 34% at midnight tonight. Moonrise was last night at 23:20. Moonset is at 15:13 this afternoon. Moonrise is at 9 minutes past midnight tonight. Moonset is at 16:19 tomorrow afternoon. Moonlight time is 15 hours, 13 minutes which is 31 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in five days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in six days. -Bernie-

August 13: ORD

Today is August 13th. It's the 225th day of the year. 140 days remain. It's week 33 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 81 and 63.

On the hot side, in 1995 the high was 96 with the co-record warmest low of 77. In 1988 the high was 91 with the co-record warmest low of 77. There were only two other 70s lows: 70 in both 1985 and 1994. The record high of 98 was set in 1944. Over the last 30 years, 17 highs were in the 80s. Ten highs were in the 70s. Two highs were in the warmer 90s and one high was in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1971 the high was 91. In 1967 the high was 77 with a low of 42, a 35 degree spread and cool day. That low of 42 was cooler than the record low. In 1964 the high was 70 with a low of 45, a cool day. That low of 45 was also cooler than the record low. In 1961 the high was 81 with a low of 48, a 33 degree spread. That low of 48 was also cooler than the record low. In 1959 the high was 91.

More recently, there was a small spread of seven degrees in 2005 (75/68).

On the cool side, there were no means of at least 11.5 degrees below normal. The co-record lows were 51 degrees in 1982 and 2004. Our coolest high was the only high in the 60s, a 69 degree high in 1992. The coolest 70s high was 71 in 2004. The record coolest high of 64 was set way back in 1883. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 16 lows were 60s. Ten lows were in the cooler 50s. Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:28 and sunrise is at 5:59. Sunset is at 19:57 and twilight ends at 20:27. Tomorrow twilight begins at 5:30 and sunrise is at 6:00. There's a total of 13 hours, 58 minutes of daylight today and 14 hours, 59 minutes between twilights. The moon reaches last quarter today at 13:55. Illumination was 56% at midnight, will be 51% at noon and 45% at midnight tonight. Moonset is at 14:02 this afternoon. Moonrise is at 23:20 tonight. Moonset is at 15:13 tomorrow afternoon. Moonlight time is 14 hours, 42 minutes which is 33 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in six days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in a week. -Bernie-

August 12: ORD

Today is August 12th. It's the 224th day of the year. 141 days remain. It's week 32 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 80 and 61.

On the hot side, in 1995 the high was 98 with a low of 75. The other 90s high was 93 in 1988. Another warm low was 75 in 1988. The record high of 101 was set back in 1918. The record warmest low of 78 occurred way back in 1881. Over the last 30 years, 26 highs were: 70s (12) and 80s (14). Two highs were in the warmer 90s and two highs were in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1975 the high was 92. In 1967 the high was 74 with a low of 44, a 30 degree spread and cool day. That low of 44 was cooler than the record low. In 1964 the high was 66 with a low of 53, a cool day. in 1959 the high was 91.

More recently, there were no large spreads of at least 30 degrees or small spreads of up to seven degrees diurnal.

On the cool side, in 2004 the high was the record coolest high of 62 with a low of 49. The previous record coolest high of 64 occurred way back in 1903. The official thermometer was located near Lake Michigan at the time. In 1982 the high was 74 with the record low of 47. In 1992 the high was 67 with a low of 56. Other cool lows were 50 in both 1979 and 1986. Over the last 30 years, 24 lows were: 50s (9) and 60s (15). Two lows were in the cooler 40s. Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:27 and sunrise is at 5:58. Sunset is at 19:58 and twilight ends at 20:28. Tomorrow twilight begins at 5:28 and sunrise is at 5:59. There's a total of 14 hours of daylight today and 15 hours, 1 minute between twilights. The moon is waning gibbous, heading towards last quarter tomorrow at 13:55. Illumination was 66% at midnight, will be 61% at noon and 56% at midnight tonight. Moonset is at 12:51 this afternoon. Moonrise is at 22:42 tonight. Moonset is at 14:02 tomorrow afternoon. Moonlight time is 14 hours, 9 minutes which is 38 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in a week. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in eight days. -Bernie-

August 11: ORD

Today is August 11th. It's the 223rd day of the year. 142 days remain. It's week 32 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 79 and 62.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were in the 90s. It was 93 in both 1995 and 2002. It was 92 in 1988. The record high of 98 was set in 1941. The warmest lows were 72 in both 1988 and 1995. The record warmest low of 77 occurred in 1944. Over the last 30 years, 25 highs were: 70s (15) and 80s (10). Three highs were in the warmer 90s. Two highs were in the cooler 60s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1975 the high was 90. In 1967 the high was 70 with a low of 47, a cool day. That low of 47 is equal to the current record low. In 1965 the high was 79 with a low of 45, a 34 degree spread (or diurnal). That low of 45 is below the current record low.

More recently, there was a large spread of 30 degrees in 1982 (77/47). The small spreads were six degrees in 1997 (70/64) and seven degrees in 1994 (67/60).

On the cool side, in 2004 the high was our record coolest high of 62 with a low of 53. In 1982 the low was 47, the record low. Other cool highs were 67 in 1994, 70 in 1997 and 71 in 1979. The previous record coolest high of 65 was set back in 1903. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 19 lows were in the 60s. Nine lows were in the cooler: 40s (1) and 50s (8). Two lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:26 and sunrise is at 5:57. Sunset is at 19:59 and twilight ends at 20:30. Tomorrow twilight begins at 5:27 and sunrise is at 5:58. There's a total of 14 hours, 2 minutes of daylight today and 15 hours, 4 minutes between twilights. The moon is waning gibbous. Illumination was 76% at midnight, will be 71% at noon and 66% at midnight tonight. Moonset is at 11:42 this morning. Moonrise is at 22:11 tonight. Moonset is at 12:51 tomorrow afternoon. Moonlight time is 13 hours, 31 minutes which is 40 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in eight days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in nine days. -Bernie-

August 10: ORD

Today is August 10th. It's the 222nd day of the year. 143 days remain. It's week 32 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 82 and 63.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were in the 90s. It was 91 in both 1983 and 1992. It was 90 in 2005. The record high of 99 was set in 1944. The warmest low was 73 in 1988. The record warmest low of 79 occurred in 1938. Over the last 30 years, 17 highs were 80s. Three highs were in the warmer 90s. Ten highs were in the cooler: 60s (3) and 70s (7).

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1974 the high was 75 with a low of 72, a three degree spread. In 1971 the high was 93. In 1967 the high was 69 with a low of 53, a cool day. In 1966 the high was 67 with a low of 61, a six degree spread. In 1965 the high was 70 with a low of 50, a cool day. In 1960 the high was a cool 68.

More recently, there was a large spread of 30 degrees in 2002 (89/59). The small spreads were five degrees in 2006 (79/74), seven degrees in 1988 (80/73) and seven degrees in 2004 (67/60).

On the cool side, in 1982 the high was 68 with the record low of 49. In 1994 the high was 67 with a low of 56. Another cool high was 67 in 2004. The record coolest high of 66 was set way back in 1882. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 20 lows were in the 60s. Six lows were in the cooler: 40s (1) and 50s (5). Four lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:25 and sunrise is at 5:56. Sunset is at 20:01 and twilight ends at 20:31. Tomorrow twilight begins at 5:26 and sunrise is at 5:57. There's a total of 14 hours, 5 minutes of daylight today and 15 hours, 6 minutes between twilights. The moon is waning gibbous. Illumination was 84% at midnight, will be 80% at noon and 76% at midnight tonight. Moonset is at 10:36 this morning. Moonrise is at 21:45 tonight. Moonset is at 11:42 tomorrow morning. Moonlight time is 12 hours, 51 minutes which is 42 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in nine days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in ten days. -Bernie-

August 9: ORD

Today is August 9th. It's the 221st day of the year. 144 days remain. It's week 32 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 63. I've calculated the 30-year averages at 83 and 64.

On the hot side, there were no days of a mean of at least 11.5 degrees above normal. There were two highs of 95 (2001, 2005) and two highs of 93 (1984, 1992). The record high of 97 was set back in 1913. The warmest low was 73 in 1988. The record warmest low of 77 occurred in 1934. Over the last 30 years, 15 highs were 80s. Seven highs were in the warmer 90s. Eight highs were in the cooler: 60s (1) and 70s (7).

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1976 the high was 83 with a low of 51, a 32 degree spread. That low of 51 equals the record low. In 1975 the high was 90. In 1972 the low was 51, a low equal to the record low. In 1971 the high was 93. In 1968 the high was 90. In 1968 the low was 55 two morning's later on the 11th. In 1964 the high was 70 with a low of 45, a cool day. The high on the 7th in 1964 was 92. That's quite a fall to 45.

More recently, there were large spreads of 34 degrees in 1985 (90/56) and 30 degrees in 2005 (95/65). The small spread was seven degrees in 1983 (79/72).

On the cool side, in 1994 the high was 66 with a low of 53. That high was the only one in the 60s. The other mid 50s lows were 54 in 1999, 55 in 1990, 56 in 1982 and 56 in 1985. The record low of 51 was set in 1972. The record coolest high of 64 was set way back in 1884. The official thermometer was located near Lake Michigan at the time. Over the last 30 years, 16 lows were in the 60s. Nine lows were in the cooler 50s and five lows were in the warmer 70s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:24 and sunrise is at 5:55. Sunset is at 20:02 and twilight ends at 20:33. Tomorrow twilight begins at 5:25 and sunrise is at 5:56. There's a total of 14 hours, 7 minutes of daylight today and 15 hours, 9 minutes between twilights. The moon is waning gibbous. Illumination was 91% at midnight, will be 87% at noon and 84% at midnight tonight. Moonset is at 9:32 this morning. Moonrise is at 21:23 tonight. Moonset is at 10:36 tomorrow morning. Moonlight time is 12 hours, 9 minutes which is 42 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in ten days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in 11 days. -Bernie-

August 8: ORD

Today is August 8th. It's the 220th day of the year. 145 days remain. It's week 32 of the year.

Unless noted, the following data is based upon observations collected by the National Weather Service, Chicago, at O'Hare International Airport (ORD) between November 1978 and last year. ORD has been the official site of record for Chicago since Thursday, January 17, 1980.

According to the National Climatic Data Center (NCDC), the normal high is 82 and the normal low is 64. I've calculated the 30-year averages at 84 and 65.

On the hot side, in 1983 the high was 98 with a low of 72. In 1988 the high was 99 with a low of 70. In 2001 the high was 93 with the record warmest low of 76. The other two 90s highs were 93 in 2005 and 90 in 1980. Another warm low was 75 in 1980. The record high of 100 was set in 1934. Over the last 30 years, 17 highs were 80s, five were warmer 90s and eight were cooler 70s.

In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1976 the high was 79 with a low of 49, a 30 degree spread. That low of 49 was O'Hare's lowest for the date and cooler than the official record low which was set at Midway in '76 (see below). In 1970 the high was 76 with a low of 71, a five degree spread. In 1964 the low was 51, also cooler than the record low.

More recently, there were large spreads of 30 degrees in 1985 (85/55), 30 degrees in 1990 (85/55) and 30 degrees in 2005 (93/63). The small spread was seven degrees in 1987 (77/70).

On the cool side, there were no days of a mean of at least 11.5 degrees below normal. The coolest temperatures were the mid 50s lows: 53 in 1989, 54 in 1993 and three at 55. The record low of 52 was set in 1976. The coolest highs were 72 in both 1991 and 1999. The record coolest high of 62 was set way back in 1884. The official thermometer was located near Lake Michigan at the time. Small differences in the lows over the last 30 years: the 60s have 13, the warmer 70s have ten and the cooler 50s have seven.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight is at 5:23 and sunrise is at 5:54. Sunset is at 20:04 and twilight ends at 20:34. Tomorrow twilight begins at 5:24 and sunrise is at 5:55. There's a total of 14 hours, 10 minutes of daylight today and 15 hours, 11 minutes between twilights. The moon is waning gibbous. Illumination was 95% at midnight, will be 93% at noon and 91% at midnight tonight. Moonset is at 8:29 this morning. Moonrise is at 21:02 tonight. Moonset is at 9:32 tomorrow morning. Moonlight time is 11 hours, 27 minutes which is 41 minutes longer than yesterday.

My tennis coach, Bob Finder, will be 77 in 11 days. Steve Campbell and Christina, a sister of mine, celebrate their seventh anniversary in 12 days. -Bernie-