Today is May 31st. It's the 151st day of the year. 214 days remain. It's week 22 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 75 and the normal low is 53. I've calculated the 32-year averages at 77 and 55.
On the hot side, in 1991 the high was 89 with a low of 67. Three years earlier, in 1988, the high was 92 (O'Hare's only 90s high on May 31) with a low of 61, a 31 degree spread. In 2002 the high was 86 with a low of 67. In 1987 the high was 88 with a low of 64. Two years later, in 1989, the high was 84 with a low of 67. Another hot 80s highs was 87 in 1986. The other warm lows were 66 last year (in 2010) and 65 in both 2006 and 2007. The record high of 98 was set back in 1934. The record warmest low of 72 occurred back in 1919. 25 of the past 32 highs (78%) were in the: 70s (15) and 80s (10). One high was in the hot 90s. Six highs were in the cool: 50s (2) and 60s (4).
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was a hot 88 with a low of 56, a 32 degree spread. In 1972 the high was a cool 63 degrees. In 1970 the low was a warm 70 degrees. In 1969 the high was 85 with a low of 53, a 32 degree spread. In 1966 the high was 66 with a cold low of 37, a cool day. In 1965 the high was 80 with a low of 44, a 36 degree spread. In 1963 the high was 80 with a low of 46, a 34 degree spread. In 1961 the high was 85 with a low of 53, a 32 degree spread.
More recently, there were large spreads of 36 degrees in 1990 (76/40), 33 degrees in 1992 (77/44), 33 degrees in 1996 (74/41), 31 degrees in 1981 (72/41) and 30 degrees in 1995 (84/54).
On the cool side, in 2003 the high was 58 with a low of 38. A decade earlier, in 1993, the high was 65 with a low of 39. Other cool lows were 40 in 1990, 41 in 1981 and 41 in 1996. Other cool highs were 59 in 1983 and 62 in 2001. Both records were set way back in the 19th century. The record low of 35 was set way back in 1873. The record coolest high of 43 occurred way back in 1889. 30 of the last 32 lows (94%) were in the: 40s (9), 50s (9) and 60s (12). Two lows were in the cold 30s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:46 and sunrise is at 5:20. Sunset is at 20:22 and twilight ends at 20:56. There's a total of 15 hours, 2 minutes of daylight today and 16 hours, 10 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:46 and sunrise is at 5:20. The moon is waning crescent and will be new tomorrow at 16:03. Illumination was 3% at midnight, will be 1% at noon and 0% at midnight tonight. Moonrise is at 4:15 this morning. Moonset is at 19:34 tonight. Moonrise is at 4:58 tomorrow morning. Moonlight time is 15 hours, 19 minutes which is 24 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Flag Day is in 14 days.
Tuesday, May 31, 2011
Monday, May 30, 2011
May 30: ORD
Today is May 30th. It's the 150th day of the year. 215 days remain. It's week 22 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 75 and the normal low is 52. I've calculated the 32-year averages at 78 and 55.
On the hot side, in 2006 the high was 89 degrees with a low of 67. In 1991 the high was 88 with a low of 66. Three years later, in 1994, the high was 90 with a low of 64. In 1987 the high was 85 with a low of 68. Two decades later, in 2007, the high was 87 with a low of 66. In 1980 the high was 86 with a low of 66. Three decades later (last year, 2010), the high was 91 with a low of 61, a 30 degree spread. In 1988 the high was 91 with a low of 60, a 31 degree spread. The other warm 80s high was 87 in 1998. The other warm lows were 64 in both 1985 and 2002. The record high of 93 was set in 1942 and tied in 1953. The record warmest low of 72 occurred back in 1921. 28 of the past 32 highs (88%) were in the: 60s (7), 70s (8) and 80s (13). Our most recent 60s high was 60 a decade ago in 2001. Three highs were in the hot 90s. One high was in the cool 50s (55 in 1983). The high today is predicted to be at least 90. This would be the fourth 90s high for May 30th in the history of O'Hare. Some meteorologists are predicting a new record high.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1971 the high was 82 with a low of 45, a 37 degree spread. In 1970 the low was a warm 68 degrees. In 1967 the high was a cool 63 degrees. In 1964 the high was 69 with a cold low of 34, a 35 degree spread and cool day. In 1963 the high was 74 with a low of 41, a 33 degree spread. In 1962 the low was a warm 67 degrees. In 1961 the high was 76 with a cold low of 37, a 39 degree spread.
More recently, there were large spreads of 31 degrees in 1984 (70/39) and 31 degrees in 2000 (80/49).
On the cool side, in 1983 the high was the only 50s high for the date at 55 degrees with a low of 45. In 1996 the high was 65 with a low of 36. Five years later, in 2001, the high was 60 with a low of 45. Another cool low was 39 in 1984. Both records were set way back in the 19th century. The record low of 35 was set way back in 1873. The record coolest high of 42 occurred way back in 1889. 30 of the last 32 lows (94%) were in the: 40s (9), 50s (9) and 60s (12). Two lows were in the cold 30s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:47 and sunrise is at 5:21. Sunset is at 20:21 and twilight ends at 20:55. There's a total of 15 hours of daylight today and 16 hours, 8 minutes between twilights. We gained no minutes of daylight from yesterday. Tomorrow twilight begins at 4:46 and sunrise is at 5:20. The moon is waning crescent and will be new in two days at 16:03. Illumination was 7% at midnight, will be 5% at noon and 3% at midnight tonight. Moonrise is at 3:39 this morning. Moonset is at 18:34 this afternoon. Moonrise is at 4:15 tomorrow morning. Moonlight time is 14 hours, 55 minutes which is 31 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is today. Flag Day is in 15 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 75 and the normal low is 52. I've calculated the 32-year averages at 78 and 55.
On the hot side, in 2006 the high was 89 degrees with a low of 67. In 1991 the high was 88 with a low of 66. Three years later, in 1994, the high was 90 with a low of 64. In 1987 the high was 85 with a low of 68. Two decades later, in 2007, the high was 87 with a low of 66. In 1980 the high was 86 with a low of 66. Three decades later (last year, 2010), the high was 91 with a low of 61, a 30 degree spread. In 1988 the high was 91 with a low of 60, a 31 degree spread. The other warm 80s high was 87 in 1998. The other warm lows were 64 in both 1985 and 2002. The record high of 93 was set in 1942 and tied in 1953. The record warmest low of 72 occurred back in 1921. 28 of the past 32 highs (88%) were in the: 60s (7), 70s (8) and 80s (13). Our most recent 60s high was 60 a decade ago in 2001. Three highs were in the hot 90s. One high was in the cool 50s (55 in 1983). The high today is predicted to be at least 90. This would be the fourth 90s high for May 30th in the history of O'Hare. Some meteorologists are predicting a new record high.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1971 the high was 82 with a low of 45, a 37 degree spread. In 1970 the low was a warm 68 degrees. In 1967 the high was a cool 63 degrees. In 1964 the high was 69 with a cold low of 34, a 35 degree spread and cool day. In 1963 the high was 74 with a low of 41, a 33 degree spread. In 1962 the low was a warm 67 degrees. In 1961 the high was 76 with a cold low of 37, a 39 degree spread.
More recently, there were large spreads of 31 degrees in 1984 (70/39) and 31 degrees in 2000 (80/49).
On the cool side, in 1983 the high was the only 50s high for the date at 55 degrees with a low of 45. In 1996 the high was 65 with a low of 36. Five years later, in 2001, the high was 60 with a low of 45. Another cool low was 39 in 1984. Both records were set way back in the 19th century. The record low of 35 was set way back in 1873. The record coolest high of 42 occurred way back in 1889. 30 of the last 32 lows (94%) were in the: 40s (9), 50s (9) and 60s (12). Two lows were in the cold 30s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:47 and sunrise is at 5:21. Sunset is at 20:21 and twilight ends at 20:55. There's a total of 15 hours of daylight today and 16 hours, 8 minutes between twilights. We gained no minutes of daylight from yesterday. Tomorrow twilight begins at 4:46 and sunrise is at 5:20. The moon is waning crescent and will be new in two days at 16:03. Illumination was 7% at midnight, will be 5% at noon and 3% at midnight tonight. Moonrise is at 3:39 this morning. Moonset is at 18:34 this afternoon. Moonrise is at 4:15 tomorrow morning. Moonlight time is 14 hours, 55 minutes which is 31 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is today. Flag Day is in 15 days.
Sunday, May 29, 2011
May 29: ORD
Today is May 29th. It's the 149th day of the year. 216 days remain. It's week 22 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 75 and the normal low is 52. I've calculated the 32-year averages at 75 and 53.
On the warm side, in 2006 the high was 91 with a low of 68. In 1991 the high was 87 with the record warmest low of 71. The former record warmest low was 70 in 1962. In 1987 the high was 89 with a low of 66. In 1999 the high was 86 with a low of 65. Other hot 80s highs were 89 in 1988 and 88 in 2007. The record high of 95 was set back in 1942. Another warm low was 64 in 1998. 30 of the past 32 highs (94%) were in the: 60s (11), 70s (7) and 80s (12). One high was in the cool 50s and one high was in the warmer 90s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was a hot 88 with a low of 63, a hot day. In 1977 the high was 89 with a low of 64, a hot day. In 1973 the high was a cool 55 with a low of 46, a cool day. In 1972 the low was a warm 64 degrees. In 1971 the high was 75 with a low of 41, a 34 degree spread. In 1970 the high was 85 with a warm low of 67, a warm day. In 1967 the high was a cool 62 degrees. In 1966 the high was 62 with a low of 35, a cool day. In 1965 the high was 55 with a low of 32, a cold day. In 1964 the high was 60 with a low of 36, a cool day. In 1962 the high was 87 with a low of 68, a hot day. 1962 was the year of the record warmest low. In 1961 the high was 62 with a low of 40, a cool day.
More recently, there was a small spread of seven degrees in 1997 (62/55). There were large spreads of 37 degrees in 1979 (82/45), 33 degrees in 1992 (72/39), 31 degrees in 1985 (75/44) and 30 degrees in 1988 (89/59).
On the cool side, in 1984 we had the only 50s high of 57 with the record-tying low of 37. The record low of 37 was originally set in 1965. In 1996 the high was 60 with a low of 40. Three years earlier, in 1993, the high was 61 with a low of 41. Other cool highs were 62 in 1997, 62 in 2001 and 63 in 1990. Another cool low was 39 in 1992. The record coolest high of 46 occurred way back in 1889. 29 of the last 32 lows (91%) were in the: 40s (12), 50s (9) and 60s (8). Two lows were in the cold 30s and one was in the warmer 70s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:48 and sunrise is at 5:21. Sunset is at 20:21 and twilight ends at 20:54. There's a total of 15 hours of daylight today and 16 hours, 6 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:47 and sunrise is at 5:21. The moon is waning crescent. Illumination was 12% at midnight, will be 9% at noon and 7% at midnight tonight. Moonrise is at 3:09 this morning. Moonset is at 17:33 this afternoon. Moonrise is at 3:39 tomorrow morning. Moonlight time is 14 hours, 24 minutes which is 34 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is tomorrow. Flag Day is in 16 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 75 and the normal low is 52. I've calculated the 32-year averages at 75 and 53.
On the warm side, in 2006 the high was 91 with a low of 68. In 1991 the high was 87 with the record warmest low of 71. The former record warmest low was 70 in 1962. In 1987 the high was 89 with a low of 66. In 1999 the high was 86 with a low of 65. Other hot 80s highs were 89 in 1988 and 88 in 2007. The record high of 95 was set back in 1942. Another warm low was 64 in 1998. 30 of the past 32 highs (94%) were in the: 60s (11), 70s (7) and 80s (12). One high was in the cool 50s and one high was in the warmer 90s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was a hot 88 with a low of 63, a hot day. In 1977 the high was 89 with a low of 64, a hot day. In 1973 the high was a cool 55 with a low of 46, a cool day. In 1972 the low was a warm 64 degrees. In 1971 the high was 75 with a low of 41, a 34 degree spread. In 1970 the high was 85 with a warm low of 67, a warm day. In 1967 the high was a cool 62 degrees. In 1966 the high was 62 with a low of 35, a cool day. In 1965 the high was 55 with a low of 32, a cold day. In 1964 the high was 60 with a low of 36, a cool day. In 1962 the high was 87 with a low of 68, a hot day. 1962 was the year of the record warmest low. In 1961 the high was 62 with a low of 40, a cool day.
More recently, there was a small spread of seven degrees in 1997 (62/55). There were large spreads of 37 degrees in 1979 (82/45), 33 degrees in 1992 (72/39), 31 degrees in 1985 (75/44) and 30 degrees in 1988 (89/59).
On the cool side, in 1984 we had the only 50s high of 57 with the record-tying low of 37. The record low of 37 was originally set in 1965. In 1996 the high was 60 with a low of 40. Three years earlier, in 1993, the high was 61 with a low of 41. Other cool highs were 62 in 1997, 62 in 2001 and 63 in 1990. Another cool low was 39 in 1992. The record coolest high of 46 occurred way back in 1889. 29 of the last 32 lows (91%) were in the: 40s (12), 50s (9) and 60s (8). Two lows were in the cold 30s and one was in the warmer 70s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:48 and sunrise is at 5:21. Sunset is at 20:21 and twilight ends at 20:54. There's a total of 15 hours of daylight today and 16 hours, 6 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:47 and sunrise is at 5:21. The moon is waning crescent. Illumination was 12% at midnight, will be 9% at noon and 7% at midnight tonight. Moonrise is at 3:09 this morning. Moonset is at 17:33 this afternoon. Moonrise is at 3:39 tomorrow morning. Moonlight time is 14 hours, 24 minutes which is 34 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is tomorrow. Flag Day is in 16 days.
Saturday, May 28, 2011
May 28: ORD
Today is May 28th. It's the 148th day of the year. 217 days remain. It's week 22 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 74 and the normal low is 52. I've calculated the 32-year averages at 73 and 52.
On the warm side, in 2006 the high was a near-record 92 degrees (the record is 93 in 1977) with the record warmest low of 74 (the former record warmest low is 72 in 1941). In 1991 the high was 91 with a low of 69. In 1987 the high was 88 with a low of 68. In 1998 the high was 90 with a low of 60, a 30 degree spread. In 1999 the high was 87 with a low of 63. Other warm highs were 88 in 1988 and 85 in 1980. 21 of the past 32 highs (66%) were in the: 60s (10) and 70s (11). Eight highs (25%) were in the warmer: 80s (5) and 90s (3). Three highs (9%) were in the cool 50s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was a hot 88 with a low of 62, a hot day. In 1977 the high was a hot 93 with a low of 56, a 37 degree spread and hot day. 1977 was the year of the record high. In 1972 the high was a hot 88 degrees. In 1971 the high was 68 with a cold low of 38, a 30 degree spread. In 1970 the high was 80 with a low of 50, a 30 degree spread. In 1969 the high was 90 with a low of 67, a hot day. In 1968 the high was a cool 61 degrees. In 1967 the high was a cool 62 degrees. In 1965 the high was 52 with a low of 38, a cold day. In 1964 the high was a cool 59 with a low of 44, a cool day. In 1959 the high was 84 with a warm low of 65, a warm day.
More recently, there was a small spread of six degrees in 1983 (59/53). There were large spreads of 34 degrees in 1994 (80/46), 33 degrees in 1981 (79/46) and 30 degrees in 1989 (72/42).
On the cool side, in 1984 the high was 51 with a low of 40. In 1992 the high was 69 with the record low of 33, a 36 degree spread. In 1996 the high was 57 with a low of 46. Other cool highs were 59 in 1983, 60 in 2000, 60 in 2004, 61 in 1985 and 62 three years ago in 2008. The record coolest high of 47 occurred way back in 1884. 25 of the last 32 lows (78%) were in the: 40s (11) and 50s (14). One low was in the cold 30s and six lows were in the warmer: 60s (5) and 70s (1).
Yesterday (May 27) was the third coldest May 27th day in O'Hare's history. The high was 58 with a low of 40. The two May 27 days that were colder were: 1992 (63/33) and 2008 (50/42).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:48 and sunrise is at 5:22. Sunset is at 20:20 and twilight ends at 20:53. There's a total of 14 hours, 58 minutes of daylight today and 16 hours, 5 minutes between twilights. We gained a minute of daylight from yesterday. Tomorrow twilight begins at 4:48 and sunrise is at 5:21. The moon is waning crescent. Illumination was 19% at midnight, will be 16% at noon and 12% at midnight tonight. Moonrise is at 2:42 this morning. Moonset is at 16:32 this afternoon. Moonrise is at 3:09 tomorrow morning. Moonlight time is 13 hours, 50 minutes which is 36 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in two 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 74 and the normal low is 52. I've calculated the 32-year averages at 73 and 52.
On the warm side, in 2006 the high was a near-record 92 degrees (the record is 93 in 1977) with the record warmest low of 74 (the former record warmest low is 72 in 1941). In 1991 the high was 91 with a low of 69. In 1987 the high was 88 with a low of 68. In 1998 the high was 90 with a low of 60, a 30 degree spread. In 1999 the high was 87 with a low of 63. Other warm highs were 88 in 1988 and 85 in 1980. 21 of the past 32 highs (66%) were in the: 60s (10) and 70s (11). Eight highs (25%) were in the warmer: 80s (5) and 90s (3). Three highs (9%) were in the cool 50s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was a hot 88 with a low of 62, a hot day. In 1977 the high was a hot 93 with a low of 56, a 37 degree spread and hot day. 1977 was the year of the record high. In 1972 the high was a hot 88 degrees. In 1971 the high was 68 with a cold low of 38, a 30 degree spread. In 1970 the high was 80 with a low of 50, a 30 degree spread. In 1969 the high was 90 with a low of 67, a hot day. In 1968 the high was a cool 61 degrees. In 1967 the high was a cool 62 degrees. In 1965 the high was 52 with a low of 38, a cold day. In 1964 the high was a cool 59 with a low of 44, a cool day. In 1959 the high was 84 with a warm low of 65, a warm day.
More recently, there was a small spread of six degrees in 1983 (59/53). There were large spreads of 34 degrees in 1994 (80/46), 33 degrees in 1981 (79/46) and 30 degrees in 1989 (72/42).
On the cool side, in 1984 the high was 51 with a low of 40. In 1992 the high was 69 with the record low of 33, a 36 degree spread. In 1996 the high was 57 with a low of 46. Other cool highs were 59 in 1983, 60 in 2000, 60 in 2004, 61 in 1985 and 62 three years ago in 2008. The record coolest high of 47 occurred way back in 1884. 25 of the last 32 lows (78%) were in the: 40s (11) and 50s (14). One low was in the cold 30s and six lows were in the warmer: 60s (5) and 70s (1).
Yesterday (May 27) was the third coldest May 27th day in O'Hare's history. The high was 58 with a low of 40. The two May 27 days that were colder were: 1992 (63/33) and 2008 (50/42).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:48 and sunrise is at 5:22. Sunset is at 20:20 and twilight ends at 20:53. There's a total of 14 hours, 58 minutes of daylight today and 16 hours, 5 minutes between twilights. We gained a minute of daylight from yesterday. Tomorrow twilight begins at 4:48 and sunrise is at 5:21. The moon is waning crescent. Illumination was 19% at midnight, will be 16% at noon and 12% at midnight tonight. Moonrise is at 2:42 this morning. Moonset is at 16:32 this afternoon. Moonrise is at 3:09 tomorrow morning. Moonlight time is 13 hours, 50 minutes which is 36 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in two days.
Friday, May 27, 2011
May 27: ORD
Today is May 27th. It's the 147th day of the year. 218 days remain. It's week 21 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 73 and the normal low is 51. I've calculated the 32-year averages at 72 and 50.
On the warm side, in 1987 the high was 88 with a low of 68. Four years later, in 1991, the high was 88 with a low of 66. The only other 60s low was 61 last year (in 2010). Other 80s highs of note were 87 in 2006 and 85 in 1980. The record high of 94 and record warmest low of 75 were set on the same hot day way back in 1911. 23 of the past 32 highs (72%) were in the: 60s (12) and 70s (11). Our most recent 60s high was 61 in 2001. Even warmer, seven highs were in the 80s. Two highs were in the cool 50s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was 88 with a low of 66, a hot day. In 1976 the high was 77 with a low of 46, a 31 degree spread. In 1971 the low was a cold 38 degrees. In 1970 the high was a cool 61 degrees. In 1969 the high was 87 with a low of 63, a hot day. In 1968 the high was a cool 61 with a low of 54, a seven degree spread. In 1966 the high was a warm 85 with a low of 54, a 31 degree spread. In 1963 the high was a cool 60 degrees. In 1962 the high was a cool 59 degrees. In 1961 the high was 70 with a cold low of 34, a 36 degree spread. In 1959 the high was 83 with a warm low of 66, a warm day.
More recently, there was a small spread of six degrees in 1996 (54/48). There were large spreads of 35 degrees in 1999 (81/46), 33 degrees in 1980 (85/52), 33 degrees in 1998 (83/50) and 32 degrees in 1994 (67/35).
On the cool side, three years ago (in 2008) the high was 50 with a low of 42. In 1992 the high was 63 with the record low of 33, a 30 degree spread. The other 30s low was 35 in 1994. These were the only 30s lows, only two years apart. Other cool highs were 54 in 1996 and 61 in 2001. The record coolest high of 49 occurred way back in 1895. 27 of the last 32 lows (84%) were in the: 40s (15) and 50s (12). Two lows were in the cold 30s and three lows were in the warmer 60s.
Yesterday (May 26) was one of the coldest May 26 days we've ever had. The high of 49 and low of 43 at O'Hare was the second coldest (of the last 33 years) behind 1992's high of 53 and low of 35. The high of 49 was just a degree above the record coolest high of 48 which was set at Midway in 1961. O'Hare had a high of 47 in 1961. This was just the second 40s high ever at O'Hare on a May 26. According to Richard Koeneman of The Chicago Weather Center Blog, it was just the 4th May 26 that the high temperature failed to reach at least 50. This goes all the way back to 1871, so it's a total of 141 years and just 2.8% of May 26 days.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:49 and sunrise is at 5:22. Sunset is at 20:19 and twilight ends at 20:52. There's a total of 14 hours, 57 minutes of daylight today and 16 hours, 3 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:48 and sunrise is at 5:22. The moon is waning crescent. Illumination was 27% at midnight, will be 23% at noon and 19% at midnight tonight. Moonrise is at 2:18 this morning. Moonset is at 15:32 this afternoon. Moonrise is at 2:42 tomorrow morning. Moonlight time is 13 hours, 14 minutes which is 35 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in three 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 73 and the normal low is 51. I've calculated the 32-year averages at 72 and 50.
On the warm side, in 1987 the high was 88 with a low of 68. Four years later, in 1991, the high was 88 with a low of 66. The only other 60s low was 61 last year (in 2010). Other 80s highs of note were 87 in 2006 and 85 in 1980. The record high of 94 and record warmest low of 75 were set on the same hot day way back in 1911. 23 of the past 32 highs (72%) were in the: 60s (12) and 70s (11). Our most recent 60s high was 61 in 2001. Even warmer, seven highs were in the 80s. Two highs were in the cool 50s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was 88 with a low of 66, a hot day. In 1976 the high was 77 with a low of 46, a 31 degree spread. In 1971 the low was a cold 38 degrees. In 1970 the high was a cool 61 degrees. In 1969 the high was 87 with a low of 63, a hot day. In 1968 the high was a cool 61 with a low of 54, a seven degree spread. In 1966 the high was a warm 85 with a low of 54, a 31 degree spread. In 1963 the high was a cool 60 degrees. In 1962 the high was a cool 59 degrees. In 1961 the high was 70 with a cold low of 34, a 36 degree spread. In 1959 the high was 83 with a warm low of 66, a warm day.
More recently, there was a small spread of six degrees in 1996 (54/48). There were large spreads of 35 degrees in 1999 (81/46), 33 degrees in 1980 (85/52), 33 degrees in 1998 (83/50) and 32 degrees in 1994 (67/35).
On the cool side, three years ago (in 2008) the high was 50 with a low of 42. In 1992 the high was 63 with the record low of 33, a 30 degree spread. The other 30s low was 35 in 1994. These were the only 30s lows, only two years apart. Other cool highs were 54 in 1996 and 61 in 2001. The record coolest high of 49 occurred way back in 1895. 27 of the last 32 lows (84%) were in the: 40s (15) and 50s (12). Two lows were in the cold 30s and three lows were in the warmer 60s.
Yesterday (May 26) was one of the coldest May 26 days we've ever had. The high of 49 and low of 43 at O'Hare was the second coldest (of the last 33 years) behind 1992's high of 53 and low of 35. The high of 49 was just a degree above the record coolest high of 48 which was set at Midway in 1961. O'Hare had a high of 47 in 1961. This was just the second 40s high ever at O'Hare on a May 26. According to Richard Koeneman of The Chicago Weather Center Blog, it was just the 4th May 26 that the high temperature failed to reach at least 50. This goes all the way back to 1871, so it's a total of 141 years and just 2.8% of May 26 days.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:49 and sunrise is at 5:22. Sunset is at 20:19 and twilight ends at 20:52. There's a total of 14 hours, 57 minutes of daylight today and 16 hours, 3 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:48 and sunrise is at 5:22. The moon is waning crescent. Illumination was 27% at midnight, will be 23% at noon and 19% at midnight tonight. Moonrise is at 2:18 this morning. Moonset is at 15:32 this afternoon. Moonrise is at 2:42 tomorrow morning. Moonlight time is 13 hours, 14 minutes which is 35 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in three days.
Thursday, May 26, 2011
May 26: ORD
Today is May 26th. It's the 146th day of the year. 219 days remain. It's week 21 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 73 and the normal low is 51. I've calculated the 32-year averages at 71 and 49.
On the warm side, last year, in 2010, the high was 87 with a low of 66. In 1985 the high was 89 with a low of 62. In 1991 the high was 82 with a low of 69. In 1987 the high was 86 with a low of 61. The record high of 94 was set back in 1911 and the record warmest low of 75 occurred in 1914. 22 of the past 32 highs (69%) were in the: 60s (9) and 70s (13). Six highs (19%) were in the warmer 80s. Four highs (12%) were in the cool 50s. Our most recent 50s high was 57 in 2001. There seems to be a distinction in terms of the eras of the 80s highs. The first three happened between 1985 and 1991. The second three happened between 2006 and last year, 2010. This year an 80 won't occur, in fact a cool 50s high is forecast.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was 87 with a low of 65, a hot day. In 1971 the high was a cool 54 with a low of 43, a cool day. In 1969 the high was 74 with a cold low of 39, a 35 degree spread. In 1967 the high was a hot 92 with a low of 61, a 31 degree spread and hot day. In 1966 the high was 82 with a low of 49, a 33 degree spread. In 1965 the low was a warm 63 degrees. In 1962 the high was a cool 59 degrees. In 1961 the high was 47 with a low of 36, a cold day and year of the record coolest high. In 1959 the high was 84 with a warm low of 64, a warm day.
More recently, there were large spreads of 36 degrees in 1988 (78/42), 36 degrees in 2002 (73/37), 34 degrees three years ago (in 2008) (81/47), 33 degrees in 1993 (78/45), 31 degrees in 1979 (70/39) and 31 degrees in 1998 (78/47).
On the cool side, in 1992 the high was 53 with a low of 35. In 1983 the high was 60 with the record low of 34. In 2001 the high was 57 with a low of 38. In 1994 the high was 59 with a low of 37. In 1997 the high was 55 with a low of 46. Another cool high was 60 in 1996. The other 30s lows were 37 in 2002 and 39 in 1979. The record coolest high of 48 occurred in 1961. 21 of the last 32 lows (66%) were in the: 40s (13) and 50s (8). Six lows (19%) were in the cold 30s. Our most recent 30s low was 37 in 2002. Five lows (15%) were in the warmer 60s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:50 and sunrise is at 5:23. Sunset is at 20:18 and twilight ends at 20:51. There's a total of 14 hours, 55 minutes of daylight today and 16 hours, 1 minute between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:49 and sunrise is at 5:22. The moon is waning crescent, having reached last quarter two days ago at 13:52. Illumination was 36% at midnight, will be 32% at noon and 27% at midnight tonight. Moonrise is at 1:54 this morning. Moonset is at 14:33 this afternoon. Moonrise is at 2:18 tomorrow morning. Moonlight time is 12 hours, 39 minutes which is 36 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in four 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 73 and the normal low is 51. I've calculated the 32-year averages at 71 and 49.
On the warm side, last year, in 2010, the high was 87 with a low of 66. In 1985 the high was 89 with a low of 62. In 1991 the high was 82 with a low of 69. In 1987 the high was 86 with a low of 61. The record high of 94 was set back in 1911 and the record warmest low of 75 occurred in 1914. 22 of the past 32 highs (69%) were in the: 60s (9) and 70s (13). Six highs (19%) were in the warmer 80s. Four highs (12%) were in the cool 50s. Our most recent 50s high was 57 in 2001. There seems to be a distinction in terms of the eras of the 80s highs. The first three happened between 1985 and 1991. The second three happened between 2006 and last year, 2010. This year an 80 won't occur, in fact a cool 50s high is forecast.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978 the high was 87 with a low of 65, a hot day. In 1971 the high was a cool 54 with a low of 43, a cool day. In 1969 the high was 74 with a cold low of 39, a 35 degree spread. In 1967 the high was a hot 92 with a low of 61, a 31 degree spread and hot day. In 1966 the high was 82 with a low of 49, a 33 degree spread. In 1965 the low was a warm 63 degrees. In 1962 the high was a cool 59 degrees. In 1961 the high was 47 with a low of 36, a cold day and year of the record coolest high. In 1959 the high was 84 with a warm low of 64, a warm day.
More recently, there were large spreads of 36 degrees in 1988 (78/42), 36 degrees in 2002 (73/37), 34 degrees three years ago (in 2008) (81/47), 33 degrees in 1993 (78/45), 31 degrees in 1979 (70/39) and 31 degrees in 1998 (78/47).
On the cool side, in 1992 the high was 53 with a low of 35. In 1983 the high was 60 with the record low of 34. In 2001 the high was 57 with a low of 38. In 1994 the high was 59 with a low of 37. In 1997 the high was 55 with a low of 46. Another cool high was 60 in 1996. The other 30s lows were 37 in 2002 and 39 in 1979. The record coolest high of 48 occurred in 1961. 21 of the last 32 lows (66%) were in the: 40s (13) and 50s (8). Six lows (19%) were in the cold 30s. Our most recent 30s low was 37 in 2002. Five lows (15%) were in the warmer 60s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:50 and sunrise is at 5:23. Sunset is at 20:18 and twilight ends at 20:51. There's a total of 14 hours, 55 minutes of daylight today and 16 hours, 1 minute between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:49 and sunrise is at 5:22. The moon is waning crescent, having reached last quarter two days ago at 13:52. Illumination was 36% at midnight, will be 32% at noon and 27% at midnight tonight. Moonrise is at 1:54 this morning. Moonset is at 14:33 this afternoon. Moonrise is at 2:18 tomorrow morning. Moonlight time is 12 hours, 39 minutes which is 36 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in four days.
Wednesday, May 25, 2011
May 25: ORD
Today is May 25th. It's the 145th day of the year. 220 days remain. It's week 21 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 73 and the normal low is 51. I've calculated the 32-year averages at 69 and 49.
On the warm side, last year (2010) the high was 88 with a low of 69. Four years earlier, in 2006, the high was 75 with a low of 64. Another warm high was 84 in 1985. The record high of 94 was set back in 1911 and the record warmest low of 72 occurred back in 1914. 21 of the past 32 highs (66%) were in the: 60s (11) and 70s (10). Four highs (12%) were in the warmer 80s. Seven highs (22%) were in the cool 50s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978, the high was 82 with a low of 52, a 30 degree spread. In 1977 the high was a hot 90 with a low of 62, a hot day. In 1975 the low was a warm 66 degrees. In 1972 the high was a warm 85 degrees. In 1971 the high was a cool 60 degrees. In 1967 the high was 84 with a low of 49, a 35 degree spread. In 1965 the high was 82 with a warm low of 67, a warm day. In 1964 the high was 80 with a low of 48, a 32 degree spread. In 1961 the low was a cold 39 degrees.
More recently, there was a small spread of seven degrees in 1990 (60/53). There were large spreads of 34 degrees in 1985 (84/50), 34 degrees three years ago (in 2008) (78/44), 31 degrees in 1981 (80/49) and 30 degrees in 1980 (82/52).
On the cool side, in 1992 the high was 51 with the record low of 32. In 1988 the high was 59 with a low of 37. In 1983 the high was 59 with a low of 38. In 2002 the high was 57 with a low of 41. In 1997 the high was 54 with a low of 45. In 1996 the high was 56 with a low of 45. Other cool highs were 59 in 2001 and 60 in 1990. The record coolest high of 44 occurred way back in 1893. 27 of the last 32 lows (84%) were in the: 40s (13) and 50s (14). Three lows were in the cold 30s and two lows were in the warmer 60s. The 30s lows occurred between 1983 and 1992 while the 60s lows occurred between 2006 and 2010.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:51 and sunrise is at 5:24. Sunset is at 20:17 and twilight ends at 20:50. There's a total of 14 hours, 53 minutes of daylight today and 15 hours, 59 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:50 and sunrise is at 5:23. The moon is waning crescent, having reached last quarter yesterday at 13:52. Illumination was 46% at midnight, will be 41% at noon and 36% at midnight tonight. Moonrise is at 1:31 this morning. Moonset is at 13:34 this afternoon. Moonrise is at 1:54 tomorrow morning. Moonlight time is 12 hours, 3 minutes which is 36 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in five days.
Today, in 1979, was the most tragic day in O'Hare's history. 271 people lost their lives when an American Airlines DC 10-10, flight 191, crashed shortly after taking off from runway 32R just after 3:00 P.M. One of the three engines, number one (attached to the left wing), separated and flipped over the wing and onto the runway as the aircraft was gaining speed for takeoff. The aircraft climbed to about 300 feet, rolled to the left and then nosedived and crashed adjacent to a mobile home park. Additionally, two people on the ground were killed, two suffered severe burns and three sustained injuries from falling aircraft debris. Improper maintenance caused the engine to detach from the left wing. Today marks the 32nd anniversary of the crash. -Bernie-
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 73 and the normal low is 51. I've calculated the 32-year averages at 69 and 49.
On the warm side, last year (2010) the high was 88 with a low of 69. Four years earlier, in 2006, the high was 75 with a low of 64. Another warm high was 84 in 1985. The record high of 94 was set back in 1911 and the record warmest low of 72 occurred back in 1914. 21 of the past 32 highs (66%) were in the: 60s (11) and 70s (10). Four highs (12%) were in the warmer 80s. Seven highs (22%) were in the cool 50s.
In looking back through the years to the first May at O'Hare in 1959, the following instances were notable: In 1978, the high was 82 with a low of 52, a 30 degree spread. In 1977 the high was a hot 90 with a low of 62, a hot day. In 1975 the low was a warm 66 degrees. In 1972 the high was a warm 85 degrees. In 1971 the high was a cool 60 degrees. In 1967 the high was 84 with a low of 49, a 35 degree spread. In 1965 the high was 82 with a warm low of 67, a warm day. In 1964 the high was 80 with a low of 48, a 32 degree spread. In 1961 the low was a cold 39 degrees.
More recently, there was a small spread of seven degrees in 1990 (60/53). There were large spreads of 34 degrees in 1985 (84/50), 34 degrees three years ago (in 2008) (78/44), 31 degrees in 1981 (80/49) and 30 degrees in 1980 (82/52).
On the cool side, in 1992 the high was 51 with the record low of 32. In 1988 the high was 59 with a low of 37. In 1983 the high was 59 with a low of 38. In 2002 the high was 57 with a low of 41. In 1997 the high was 54 with a low of 45. In 1996 the high was 56 with a low of 45. Other cool highs were 59 in 2001 and 60 in 1990. The record coolest high of 44 occurred way back in 1893. 27 of the last 32 lows (84%) were in the: 40s (13) and 50s (14). Three lows were in the cold 30s and two lows were in the warmer 60s. The 30s lows occurred between 1983 and 1992 while the 60s lows occurred between 2006 and 2010.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 4:51 and sunrise is at 5:24. Sunset is at 20:17 and twilight ends at 20:50. There's a total of 14 hours, 53 minutes of daylight today and 15 hours, 59 minutes between twilights. We gained two minutes of daylight from yesterday. Tomorrow twilight begins at 4:50 and sunrise is at 5:23. The moon is waning crescent, having reached last quarter yesterday at 13:52. Illumination was 46% at midnight, will be 41% at noon and 36% at midnight tonight. Moonrise is at 1:31 this morning. Moonset is at 13:34 this afternoon. Moonrise is at 1:54 tomorrow morning. Moonlight time is 12 hours, 3 minutes which is 36 minutes longer than yesterday.
The warm part of Spring (Warm Spring) began on April 13. Warm Spring runs for 52 days, through June 3. High temperatures in this period are usually in the 50s, 60s and 70s. Warmer 80s and 90s occur infrequently. Memorial Day is in five days.
Today, in 1979, was the most tragic day in O'Hare's history. 271 people lost their lives when an American Airlines DC 10-10, flight 191, crashed shortly after taking off from runway 32R just after 3:00 P.M. One of the three engines, number one (attached to the left wing), separated and flipped over the wing and onto the runway as the aircraft was gaining speed for takeoff. The aircraft climbed to about 300 feet, rolled to the left and then nosedived and crashed adjacent to a mobile home park. Additionally, two people on the ground were killed, two suffered severe burns and three sustained injuries from falling aircraft debris. Improper maintenance caused the engine to detach from the left wing. Today marks the 32nd anniversary of the crash. -Bernie-
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