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 83 and the normal low is 64. I've calculated the 32-year averages at 84 and 65.
On the hot side, in 1983 the high was 98 with a low of 72. Five years later, 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 record warmest low of 76 was originally set way back in 1896. The record high of 100 was set in 1934. The other 90s highs were 93 in 2005 (most recent) and 90 in 1980. Other warm lows were 75 in 1980 and 73 in 2007. Over the past 32 years, 19 highs (59%) were in the 80s, five highs (16%) were in the hot 90s and eight highs (25%) were in the cool 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 cold low of 49, a 30 degree spread. That low of 49 was O'Hare's lowest for the date and colder than the official record low which was set at Midway this same year. In 1970 the high was 76 with a low of 71, a five degree spread. In 1964 the low was a cool 51 degrees, also colder 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, in 1989 the high was 77 with a low of 53. A decade later, in 1999, the high was 72 with a low of 59. Another cool high was 72 in 1991. The record low of 52 was set in 1976 at Midway. Another cool low was 54 in 1993. The record coolest high of 62 was set way back in 1884. The official thermometer was located near Lake Michigan at the time. Over the last 32 years, 25 lows (78%) were in the: 60s (15) and 70s (10). Seven lows (22%) were in the 50s, most recently 58 in 2002.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:22 and sunrise is at 5:53. Sunset is at 20:04 and twilight ends at 20:35. There's a total of 14 hours, 11 minutes of daylight today and 15 hours, 13 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 5:23 and sunrise is at 5:54. The moon is waxing gibbous, having reached first quarter two days ago at 6:08. Illumination was 70% at midnight, will be 75% at noon and 79% at midnight tonight. Moonset is at 0:42 this morning. Moonrise is at 16:21 this afternoon. Moonset is at 1:37 tomorrow morning. Moonlight time is 8 hours, 21 minutes which is 19 minutes shorter than yesterday. Moonlight time is at it's shortest today and tomorrow.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 28 days.
Monday, August 8, 2011
Sunday, August 7, 2011
August 7: ORD
Today is August 7th. It's the 219th day of the year. 146 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 83 and the normal low is 64. I've calculated the 32-year averages at 83 and 64.
On the hot side, in 2001 the high was 95 with a low of 75. In 1979 the high was 93 with a low of 75. Another hot high was 94 in 1988. The other warm lows (in the mid 70s) were 74 in 1996 and 73 in 1995. The record high of 99 and record warmest low of 79 were set on the same hot day back in 1918. The official thermometer was located near Lake Michigan at the time. 23 of the past 32 highs (72%) were in the: 70s (10) and 80s (13). Nine highs (28%) were in the hot 90s.
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 a cool 68 degrees. In 1966 the high was 86 with a low of 56, a 30 degree spread. In 1964 the high was 92 with a low of 56, a 36 degree spread.
More recently, there were large spreads of 31 degrees in 1988 (94/63), 31 degrees in 2005 (89/58) and 30 degrees in 1994 (80/50). The small spreads were six degrees in 1999 (75/69) and seven degrees in 1998 (78/71).
On the cool side, in 1989 the high was 72 with a low of 52. Four years later, in 1993, the high was 76 with a low of 53. Three years prior, in 1990, the high was 79 with the co-record low of 50. The record low of 50 was most recently set in 1994. Another cool low was 53 in 2004. The record coolest high of 65 was set way back in 1903. The official thermometer was located near Lake Michigan at the time. 14 of the last 32 lows (44%) were in the 60s. Nine lows (28%) were in the cool 50s and another nine lows (28%) were in the warm 70s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:21 and sunrise is at 5:52. Sunset is at 20:05 and twilight ends at 20:36. There's a total of 14 hours, 13 minutes of daylight today and 15 hours, 15 minutes between twilights. We lost three minutes of daylight from yesterday. Tomorrow twilight begins at 5:22 and sunrise is at 5:53. The moon is waxing gibbous, having reached first quarter yesterday at 6:08. Illumination was 59% at midnight, will be 64% at noon and 70% at midnight tonight. Moonrise is at 15:20 this afternoon. Moonset is at 0:42 tomorrow morning. Moonrise is at 16:21 tomorrow afternoon. Moonlight time is 8 hours, 40 minutes which is 61 minutes shorter than yesterday.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 29 days.
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 83 and the normal low is 64. I've calculated the 32-year averages at 83 and 64.
On the hot side, in 2001 the high was 95 with a low of 75. In 1979 the high was 93 with a low of 75. Another hot high was 94 in 1988. The other warm lows (in the mid 70s) were 74 in 1996 and 73 in 1995. The record high of 99 and record warmest low of 79 were set on the same hot day back in 1918. The official thermometer was located near Lake Michigan at the time. 23 of the past 32 highs (72%) were in the: 70s (10) and 80s (13). Nine highs (28%) were in the hot 90s.
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 a cool 68 degrees. In 1966 the high was 86 with a low of 56, a 30 degree spread. In 1964 the high was 92 with a low of 56, a 36 degree spread.
More recently, there were large spreads of 31 degrees in 1988 (94/63), 31 degrees in 2005 (89/58) and 30 degrees in 1994 (80/50). The small spreads were six degrees in 1999 (75/69) and seven degrees in 1998 (78/71).
On the cool side, in 1989 the high was 72 with a low of 52. Four years later, in 1993, the high was 76 with a low of 53. Three years prior, in 1990, the high was 79 with the co-record low of 50. The record low of 50 was most recently set in 1994. Another cool low was 53 in 2004. The record coolest high of 65 was set way back in 1903. The official thermometer was located near Lake Michigan at the time. 14 of the last 32 lows (44%) were in the 60s. Nine lows (28%) were in the cool 50s and another nine lows (28%) were in the warm 70s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:21 and sunrise is at 5:52. Sunset is at 20:05 and twilight ends at 20:36. There's a total of 14 hours, 13 minutes of daylight today and 15 hours, 15 minutes between twilights. We lost three minutes of daylight from yesterday. Tomorrow twilight begins at 5:22 and sunrise is at 5:53. The moon is waxing gibbous, having reached first quarter yesterday at 6:08. Illumination was 59% at midnight, will be 64% at noon and 70% at midnight tonight. Moonrise is at 15:20 this afternoon. Moonset is at 0:42 tomorrow morning. Moonrise is at 16:21 tomorrow afternoon. Moonlight time is 8 hours, 40 minutes which is 61 minutes shorter than yesterday.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 29 days.
August 6: ORD
Today is August 6th. It's the 218th day of the year. 147 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 83 and the normal low is 64. I've calculated the 32-year averages at 83 and 63.
On the hot side, in 1984 the high was 94 with a low of 71. In 2001 the high was 92 with a low of 70. In 2007 the high was 88 with a low of 74. The other 90s highs were 93 in 1988 and 90 in 1996. The other 70s lows were 72 in 1980, 72 in 1998 and 71 in 1995. The record high of 101 was last reached in 1947 after originally being set back in 1918. The record warmest low of 82 was set back in 1918. The official thermometer was located near Lake Michigan at the time. 19 of the past 32 highs (59%) were in the 80s. Four highs (13%) were in the hot 90s. Nine highs (28%) were in the cool 70s. Our most recent 70s high was 76 in 2004.
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 96 with a low of 77, a hot day. In 1964 the high was 85 with a low of 54, a 31 degree spread.
More recently, there were large spreads of 35 degrees in 1988 (93/58) and 30 degrees in 1987 (87/57).
On the cool side, in 1994 the high was 72 with the record low (and only 40s low) of 48. Four years earlier, in 1990, the high was 70 with a low of 54. A year before that, in 1989, the high was 72 with a low of 53. Another cool high was 72 in 1986. The record coolest high of 65 was set way back in 1893. The official thermometer was located near Lake Michigan at the time. 16 of the last 32 lows (50%) were in the 60s. Ten lows (31%) were in the cool: 40s (1) and 50s (9). Six lows (19%) were in the warm 70s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:20 and sunrise is at 5:51. Sunset is at 20:07 and twilight ends at 20:38. There's a total of 14 hours, 16 minutes of daylight today and 15 hours, 18 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 5:21 and sunrise is at 5:52. The moon reaches first quarter today at 6:08. Illumination was 48% at midnight, will be 53% at noon and 59% at midnight tonight. Moonrise is at 14:12 this afternoon. Moonset is at 23:53 tonight. Moonrise is at 15:20 tomorrow afternoon. Moonlight time is 9 hours, 41 minutes which is 30 minutes shorter than yesterday.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 30 days.
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 83 and the normal low is 64. I've calculated the 32-year averages at 83 and 63.
On the hot side, in 1984 the high was 94 with a low of 71. In 2001 the high was 92 with a low of 70. In 2007 the high was 88 with a low of 74. The other 90s highs were 93 in 1988 and 90 in 1996. The other 70s lows were 72 in 1980, 72 in 1998 and 71 in 1995. The record high of 101 was last reached in 1947 after originally being set back in 1918. The record warmest low of 82 was set back in 1918. The official thermometer was located near Lake Michigan at the time. 19 of the past 32 highs (59%) were in the 80s. Four highs (13%) were in the hot 90s. Nine highs (28%) were in the cool 70s. Our most recent 70s high was 76 in 2004.
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 96 with a low of 77, a hot day. In 1964 the high was 85 with a low of 54, a 31 degree spread.
More recently, there were large spreads of 35 degrees in 1988 (93/58) and 30 degrees in 1987 (87/57).
On the cool side, in 1994 the high was 72 with the record low (and only 40s low) of 48. Four years earlier, in 1990, the high was 70 with a low of 54. A year before that, in 1989, the high was 72 with a low of 53. Another cool high was 72 in 1986. The record coolest high of 65 was set way back in 1893. The official thermometer was located near Lake Michigan at the time. 16 of the last 32 lows (50%) were in the 60s. Ten lows (31%) were in the cool: 40s (1) and 50s (9). Six lows (19%) were in the warm 70s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:20 and sunrise is at 5:51. Sunset is at 20:07 and twilight ends at 20:38. There's a total of 14 hours, 16 minutes of daylight today and 15 hours, 18 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 5:21 and sunrise is at 5:52. The moon reaches first quarter today at 6:08. Illumination was 48% at midnight, will be 53% at noon and 59% at midnight tonight. Moonrise is at 14:12 this afternoon. Moonset is at 23:53 tonight. Moonrise is at 15:20 tomorrow afternoon. Moonlight time is 9 hours, 41 minutes which is 30 minutes shorter than yesterday.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 30 days.
Friday, August 5, 2011
August 5: ORD
Today is August 5th. It's the 217th day of the year. 148 days remain. It's week 31 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 83 and the normal low is 64. I've calculated the 32-year averages at 81 and 63.
On the hot side, in 1996 the high was 90 with a low of 73. In 1980 the high was 87 with a low of 70. The other 90s high was 91 in 1984. The other 70s low was 71 in 1998. The record high of 102 was set back in 1918. The record warmest low of 78 was set way back in 1881. For both records, the thermometer was located near Lake Michigan. 19 of the past 32 highs (59%) were in the 80s. Two highs (7%) were in the hot 90s. 11 highs (34%) were in the cool: 60s (1) and 70s (10). Long stretches of highs under 90 characterize this day. For 11 years from 1985 through 1995 there were no 90s. For 14 years, still ongoing, from 1997 through 2010, there have been no highs in the 90s.
In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1978 the low was a cool 50 degrees, a reading colder than the record low. In 1974 and 1972 the lows were 51, equal to the record low. In 1966 the high was 82 with a cool low of 52, a 30 degree spread. In 1962 the high was 85 with a low of 54, a 31 degree spread.
More recently, there were no large spreads of at least 30 degrees or small spreads of up to seven degrees.
On the cool side, in 1994 the high was 68 (the coolest high of the past 32 years) with the record low of 51. Three years later, in 1997, the high was 73 with a low of 53. Five years before that, in 1992, the high was also 73 with a low of 53. Another cool low was 52 in 1993. The record coolest high of 63 was set back in 1915. The official thermometer was located near Lake Michigan at the time. 23 of the last 32 lows (72%) were in the 60s. Six lows (19%) were in the cool 50s. Our most recent 50s low was 58 in 2004. Three lows (9%) were in the warm 70s. Our most recent 70s low was 71 in 1998. There was a string of 11 straight years of 60s lows from 1981 through 1991. Our current string of 60s lows is six years and counting, from 2005 to 2010.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:19 and sunrise is at 5:50. Sunset is at 20:08 and twilight ends at 20:39. There's a total of 14 hours, 18 minutes of daylight today and 15 hours, 20 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 5:20 and sunrise is at 5:51. The moon is waxing crescent and will reach first quarter tomorrow at 6:08. Illumination was 36% at midnight, will be 42% at noon and 48% at midnight tonight. Moonrise is at 13:00 this afternoon. Moonset is at 23:11 tonight. Moonrise is at 14:12 tomorrow afternoon. Moonlight time is 10 hours, 11 minutes which is 36 minutes shorter than yesterday.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 31 days.
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 83 and the normal low is 64. I've calculated the 32-year averages at 81 and 63.
On the hot side, in 1996 the high was 90 with a low of 73. In 1980 the high was 87 with a low of 70. The other 90s high was 91 in 1984. The other 70s low was 71 in 1998. The record high of 102 was set back in 1918. The record warmest low of 78 was set way back in 1881. For both records, the thermometer was located near Lake Michigan. 19 of the past 32 highs (59%) were in the 80s. Two highs (7%) were in the hot 90s. 11 highs (34%) were in the cool: 60s (1) and 70s (10). Long stretches of highs under 90 characterize this day. For 11 years from 1985 through 1995 there were no 90s. For 14 years, still ongoing, from 1997 through 2010, there have been no highs in the 90s.
In looking back through the years to the first August at O'Hare in 1959, the following instances were notable: In 1978 the low was a cool 50 degrees, a reading colder than the record low. In 1974 and 1972 the lows were 51, equal to the record low. In 1966 the high was 82 with a cool low of 52, a 30 degree spread. In 1962 the high was 85 with a low of 54, a 31 degree spread.
More recently, there were no large spreads of at least 30 degrees or small spreads of up to seven degrees.
On the cool side, in 1994 the high was 68 (the coolest high of the past 32 years) with the record low of 51. Three years later, in 1997, the high was 73 with a low of 53. Five years before that, in 1992, the high was also 73 with a low of 53. Another cool low was 52 in 1993. The record coolest high of 63 was set back in 1915. The official thermometer was located near Lake Michigan at the time. 23 of the last 32 lows (72%) were in the 60s. Six lows (19%) were in the cool 50s. Our most recent 50s low was 58 in 2004. Three lows (9%) were in the warm 70s. Our most recent 70s low was 71 in 1998. There was a string of 11 straight years of 60s lows from 1981 through 1991. Our current string of 60s lows is six years and counting, from 2005 to 2010.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:19 and sunrise is at 5:50. Sunset is at 20:08 and twilight ends at 20:39. There's a total of 14 hours, 18 minutes of daylight today and 15 hours, 20 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 5:20 and sunrise is at 5:51. The moon is waxing crescent and will reach first quarter tomorrow at 6:08. Illumination was 36% at midnight, will be 42% at noon and 48% at midnight tonight. Moonrise is at 13:00 this afternoon. Moonset is at 23:11 tonight. Moonrise is at 14:12 tomorrow afternoon. Moonlight time is 10 hours, 11 minutes which is 36 minutes shorter than yesterday.
Summer began June 4 and runs for 110 days through September 21. High temperatures in this period are usually in the 70s and 80s. Highs in the 60s, 90s and 100s occur infrequently. Labor Day is in 31 days.
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