Today is October 9th. It's the 283rd day of the year. 83 days remain. It's week 41 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. Before
this, the official site of record was on the south side of Chicago at
Midway International Airport (MDW), beginning on Wednesday, July 1,
1942. From Friday, January 1, 1926 through Tuesday, June 30, 1942, the
official site was at the University of Chicago. Before this, the
official site was at various locations in Chicago going back to Monday,
October 16, 1871. Observations taken from October 15, 1870 to October
8, 1871 were lost in the Great Chicago Fire.
According
to the National Climatic Data Center (NCDC), the normal high is 65 and
the normal low is 45. I've calculated the 33-year averages at 64 and
45.
On
the warm side, two years ago, in 2010 (O'Hare's second warmest October 9th), the high was the record-tying high
of 86 (tied 86 in 1949 at Midway) with a low of 55, a 31 degree spread.
Some other highs two years ago: Rockford: 90 (new record), West Chicago: 88,
Midway: 87 (broke their own record), NWS/Romeoville: 88, Aurora: 89,
DeKalb: 86, Joliet: 90, Northerly Island: 78. Last year, in 2011, the high was 80
with a low of 52. Last year's high
of 80 is just the 5th 80s high in O'Hare's history for the date. The record warmest low of 68
degrees occurred way back in 1879, a time when the official readings were taken
adjacent to Lake Michigan. 29 of the past 33 highs (88%) were in the: 50s (10), 60s (11) and 70s (8). Two highs were in the warm 80s (the past two years). Two highs were in the cool 40s (48 degrees in 1990 and again in 1993). O'Hare's warmest October 9th was in 1973 as the high was 81 with a low of 63 (O'Hare's warmest low of the date). O'Hare's second hottest high of the date is 83 degrees in 1966. O'Hare's other warm highs of the date are 80 degrees in 1961, 79 degrees in 1963 and 79 degrees in 1969. O'Hare's other warm lows are its second warmest of the date of 57 degrees in 1982 and 1984.
In
looking back through the years to the first October at O'Hare in 1959,
the following instances were notable: in 1978 the high was 73 with a
low of 41, a 32 degree spread. In 1973 the high was 81 with a low of
63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39
degree spread. In 1967 the high was a cool 48 with a low of 37, a cool
day. In 1966 the high was a warm 83 with a low of 49, a 34 degree
spread. In 1965 the high was 57 with a low of 50, a seven degree
spread. In 1964 the high was 44 (year of the record coolest high of 43)
with a low of 24 (colder than the record low of 30), a cold day. In
1963 the high was a warm 79 with a low of 41, a 38 degree spread. In
1961 the high was a warm 80 with a low of 56, a warm day.
More recently, there was an additional large
spread of 30 degrees in 1981 (62/32). There were small spreads of
three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six
degrees in 1984 (63/57).
On the cool side, in 1993 (O'Hare's second coolest October 9th) the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. The
other cold lows are 32 degrees in both 1981 and 1989. Those 32 degree lows
were all former record lows. The other cool highs are 48 degrees in 1967, 48 degrees in 1990, 52
degrees three years ago in 2009 and 53 degrees in 1986. The record coolest high of 43 degrees occurred in 1964 at Midway. 16 of the last 33 lows (49%) were in the 40s. Eight lows (24%) were in the cold 30s. Nine lows (27%) were in the warm 50s. O'Hare's coolest October 9th was in 1964 as the high was 44 (O'Hare's coolest high of the date) with a low of 24 (O'Hare's coldest low of the date, a low that is colder than the record low).
The following astronomical data is provided by the United States Naval
Observatory. In Crystal Lake, twilight begins at 6:32 and sunrise is at
7:00. Sunset is at 18:20 and twilight ends at 18:48. There's a total of
11 hours, 20 minutes of daylight today and 12 hours, 16 minutes between
twilights. We lost three minutes of daylight from yesterday. Tomorrow
twilight begins at 6:33 and sunrise is at 7:01. The moon is waning crescent, having passed last quarter yesterday at 2:33. Illumination was 41% at midnight, will be 36% at noon and 31%
at midnight tonight. Moonrise was at 0:30 this morning. Moonset is at 14:53 this afternoon. Moonrise is at 1:32 tomorrow morning. Moonlight
time is 14 hours, 23 minutes which is five minutes longer than yesterday.
Moonlight time is at its peak today.
Warm
Fall began September 22nd and runs for 41 days through November 1st.
High temperatures in this period are usually in the 50s, 60s and 70s.
Highs in the 30s and 40s occur infrequently. United Nations Day is in 15
days. Standard Time doesn't return until November 4th.
Showing posts with label October 9. Show all posts
Showing posts with label October 9. Show all posts
Tuesday, October 9, 2012
Sunday, October 9, 2011
October 9: ORD
Today is October 9th. It's the 282nd day of the year. 83 days remain. It's week 41 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 65 and the normal low is 45. I've calculated the 32-year averages at 63 and 45.
On the warm side, last year, in 2010, the high was the record-tying high of 86 (tied 86 in 1949 at Midway) with a low of 55, a 31 degree spread. Some other highs last year: Rockford: 90 (new record), West Chicago: 88, Midway: 87 (broke their own record), NWS/Romeoville: 88, Aurora: 89, DeKalb: 86, Joliet: 90, Northerly Island: 78. In 2001 the high was 73 with a low of 56. In 1997 the high was 75 with a low of 53. Today's high of at least 80 at O'Hare is just the 5th 80s high in O'Hare's history. The other warm lows were 57 in 1982 and 1984. The record warmest low of 68 occurred way back in 1879, a time when the official readings were taken adjacent to Lake Michigan. 29 of the past 32 highs (91%) were in the: 50s (10), 60s (11) and 70s (8). Two highs were in the warm 80s and two were in the cool 40s.
In looking back through the years to the first October at O'Hare in 1959, the following instances were notable: in 1978 the high was 73 with a low of 41, a 32 degree spread. In 1973 the high was 81 with a low of 63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39 degree spread. In 1967 the high was a cool 48 with a low of 37, a cool day. In 1966 the high was a warm 83 with a low of 49, a 34 degree spread. In 1965 the high was 57 with a low of 50, a seven degree spread. In 1964 the high was 44 (year of the record coolest high of 43) with a low of 24 (colder than the record low of 30), a cold day. In 1963 the high was a warm 79 with a low of 41, a 38 degree spread. In 1961 the high was a warm 80 with a low of 56, a warm day.
More recently, there was a large spread of 30 degrees in 1981 (62/32). There were small spreads of three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six degrees in 1984 (63/57).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. The other cold lows were 32 in both 1981 and 1989. Those 32 degree lows were all former record lows. The other cool highs were 48 in 1990, 52 two years ago (in 2009) and 53 in 1986. As you can see, our only two 40s lows occurred in close years, 1990 and 1993. The record coolest high stands at 43, which occurred in 1964 at Midway. 16 of the last 32 lows (50%) were in the 40s. Eight lows (25%) were in the cold 30s. Eight lows (25%) were in the warm 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:31 and sunrise is at 6:59. Sunset is at 18:22 and twilight ends at 18:50. There's a total of 11 hours, 23 minutes of daylight today and 12 hours, 19 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 6:32 and sunrise is at 7:00. The moon is waxing gibbous. Illumination was 93% at midnight, will be 95% at noon and 97% at midnight tonight. Moonset is at 4:42 this morning. Moonrise is at 17:00 this afternoon. Moonset is at 5:41 tomorrow morning. Moonlight time is 11 hours, 42 minutes which is 36 minutes longer than yesterday.
Warm Fall began September 22 and runs for 41 days through November 1. High temperatures in this period are usually in the 50s, 60s and 70s. Highs in the 30s and 40s occur infrequently. Columbus Day is tomorrow.
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 65 and the normal low is 45. I've calculated the 32-year averages at 63 and 45.
On the warm side, last year, in 2010, the high was the record-tying high of 86 (tied 86 in 1949 at Midway) with a low of 55, a 31 degree spread. Some other highs last year: Rockford: 90 (new record), West Chicago: 88, Midway: 87 (broke their own record), NWS/Romeoville: 88, Aurora: 89, DeKalb: 86, Joliet: 90, Northerly Island: 78. In 2001 the high was 73 with a low of 56. In 1997 the high was 75 with a low of 53. Today's high of at least 80 at O'Hare is just the 5th 80s high in O'Hare's history. The other warm lows were 57 in 1982 and 1984. The record warmest low of 68 occurred way back in 1879, a time when the official readings were taken adjacent to Lake Michigan. 29 of the past 32 highs (91%) were in the: 50s (10), 60s (11) and 70s (8). Two highs were in the warm 80s and two were in the cool 40s.
In looking back through the years to the first October at O'Hare in 1959, the following instances were notable: in 1978 the high was 73 with a low of 41, a 32 degree spread. In 1973 the high was 81 with a low of 63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39 degree spread. In 1967 the high was a cool 48 with a low of 37, a cool day. In 1966 the high was a warm 83 with a low of 49, a 34 degree spread. In 1965 the high was 57 with a low of 50, a seven degree spread. In 1964 the high was 44 (year of the record coolest high of 43) with a low of 24 (colder than the record low of 30), a cold day. In 1963 the high was a warm 79 with a low of 41, a 38 degree spread. In 1961 the high was a warm 80 with a low of 56, a warm day.
More recently, there was a large spread of 30 degrees in 1981 (62/32). There were small spreads of three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six degrees in 1984 (63/57).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. The other cold lows were 32 in both 1981 and 1989. Those 32 degree lows were all former record lows. The other cool highs were 48 in 1990, 52 two years ago (in 2009) and 53 in 1986. As you can see, our only two 40s lows occurred in close years, 1990 and 1993. The record coolest high stands at 43, which occurred in 1964 at Midway. 16 of the last 32 lows (50%) were in the 40s. Eight lows (25%) were in the cold 30s. Eight lows (25%) were in the warm 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:31 and sunrise is at 6:59. Sunset is at 18:22 and twilight ends at 18:50. There's a total of 11 hours, 23 minutes of daylight today and 12 hours, 19 minutes between twilights. We lost two minutes of daylight from yesterday. Tomorrow twilight begins at 6:32 and sunrise is at 7:00. The moon is waxing gibbous. Illumination was 93% at midnight, will be 95% at noon and 97% at midnight tonight. Moonset is at 4:42 this morning. Moonrise is at 17:00 this afternoon. Moonset is at 5:41 tomorrow morning. Moonlight time is 11 hours, 42 minutes which is 36 minutes longer than yesterday.
Warm Fall began September 22 and runs for 41 days through November 1. High temperatures in this period are usually in the 50s, 60s and 70s. Highs in the 30s and 40s occur infrequently. Columbus Day is tomorrow.
Saturday, October 9, 2010
October 9: ORD
Today is October 9th. It's the 282nd day of the year. 83 days remain. It's week 41 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 65 and the normal low is 45. I've calculated the 31-year averages at 63 and 44.
On the warm side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were in the mid 70s (76 three years ago and 75 in 1997). The record high is 86, set in 1949 (at Midway). The warm lows were 57 in: 1982 and 1984. The record warmest low of 68 occurred way back in 1879. Over the last 31 years, 29 highs (94%) have been: 50s (10), 60s (11) and 70s (8). There were two highs in the cooler 40s. The last 31 years have not produced a high of 80 or higher. That will likely change today as the predicted high is 84 in Crystal Lake and at least 82 at O'Hare. Today will rival 1961 (80 degrees), 1966 (83 degrees) and 1973 (81 degrees) as O'Hare's warmest October 9th ever.
In looking back through the years to the first October at O'Hare in 1959, the following instances were notable: in 1978 the high was 73 with a low of 41, a 32 degree spread. In 1973 the high was 81 with a low of 63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39 degree spread. In 1967 the high was a cool 48 with a low of 37, a cool day. In 1966 the high was a warm 83 with a low of 49, a 34 degree spread. In 1965 the high was 57 with a low of 50, a seven degree spread. In 1964 the high was 44 (this is the year of the record coolest high) with a low of 24 (cooler than the record low), a cold day. In 1963 the high was a warm 79 with a low of 41, a 38 degree spread. In 1961 the high was a warm 80 with a low of 56, a warm day.
More recently, there was a large spread of 30 degrees in 1981 (62/32). There were small spreads of three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six degrees in 1984 (63/57).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. Other cool lows were 32 in both 1981 and 1989. Other cool highs were 48 in 1990, 52 last year and 53 in 1986. The record coolest high stands at 43, which occurred in 1964. 16 of the last 31 lows were 40s. Eight lows were in the cooler 30s and seven lows were in the warmer 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:31 and sunrise is at 6:59. Sunset is at 18:21 and twilight ends at 18:49. There's a total of 11 hours, 22 minutes of daylight today and 12 hours, 18 minutes between twilights. We are losing two or three minutes of daylight a day. Tomorrow twilight begins at 6:32 and sunrise is at 7:00. The moon is waxing crescent. Illumination was 3% at midnight, will be 6% at noon and 9% at midnight tonight. Moonrise is at 9:25 this morning. Moonset is at 19:13 tonight. Moonrise is at 10:38 tomorrow morning. Moonlight time is 9 hours, 48 minutes which is 37 minutes shorter than yesterday.
Columbus Day is in two days and United Nation's Day is in 15 days. -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 65 and the normal low is 45. I've calculated the 31-year averages at 63 and 44.
On the warm side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were in the mid 70s (76 three years ago and 75 in 1997). The record high is 86, set in 1949 (at Midway). The warm lows were 57 in: 1982 and 1984. The record warmest low of 68 occurred way back in 1879. Over the last 31 years, 29 highs (94%) have been: 50s (10), 60s (11) and 70s (8). There were two highs in the cooler 40s. The last 31 years have not produced a high of 80 or higher. That will likely change today as the predicted high is 84 in Crystal Lake and at least 82 at O'Hare. Today will rival 1961 (80 degrees), 1966 (83 degrees) and 1973 (81 degrees) as O'Hare's warmest October 9th ever.
In looking back through the years to the first October at O'Hare in 1959, the following instances were notable: in 1978 the high was 73 with a low of 41, a 32 degree spread. In 1973 the high was 81 with a low of 63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39 degree spread. In 1967 the high was a cool 48 with a low of 37, a cool day. In 1966 the high was a warm 83 with a low of 49, a 34 degree spread. In 1965 the high was 57 with a low of 50, a seven degree spread. In 1964 the high was 44 (this is the year of the record coolest high) with a low of 24 (cooler than the record low), a cold day. In 1963 the high was a warm 79 with a low of 41, a 38 degree spread. In 1961 the high was a warm 80 with a low of 56, a warm day.
More recently, there was a large spread of 30 degrees in 1981 (62/32). There were small spreads of three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six degrees in 1984 (63/57).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. Other cool lows were 32 in both 1981 and 1989. Other cool highs were 48 in 1990, 52 last year and 53 in 1986. The record coolest high stands at 43, which occurred in 1964. 16 of the last 31 lows were 40s. Eight lows were in the cooler 30s and seven lows were in the warmer 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:31 and sunrise is at 6:59. Sunset is at 18:21 and twilight ends at 18:49. There's a total of 11 hours, 22 minutes of daylight today and 12 hours, 18 minutes between twilights. We are losing two or three minutes of daylight a day. Tomorrow twilight begins at 6:32 and sunrise is at 7:00. The moon is waxing crescent. Illumination was 3% at midnight, will be 6% at noon and 9% at midnight tonight. Moonrise is at 9:25 this morning. Moonset is at 19:13 tonight. Moonrise is at 10:38 tomorrow morning. Moonlight time is 9 hours, 48 minutes which is 37 minutes shorter than yesterday.
Columbus Day is in two days and United Nation's Day is in 15 days. -Bernie-
Sunday, October 11, 2009
October 9: ORD
Today is October 9th. It's the 282nd day of the year. 83 days remain. It's week 41 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 65 and the normal low is 45. I've calculated the 30-year averages at 63 and 45.
On the warm side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were in the mid 70s (76 two years ago and 75 in 1997). The record high was 86 in 1949 (at Midway). The warm lows were 57 in both 1982 and 1984. The record warmest low of 68 occurred way back in 1879. Over the last 30 years, 28 highs have been: 50s (9), 60s (11) and 70s (8). There were two highs in the cooler 40s.
In looking back through the years to the first October at O'Hare in 1959, the following instances were notable: in 1978 the high was 73 with a low of 41, a 32 degree spread. In 1973 the high was 81 with a low of 63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39 degree spread. In 1967 the high was 48 with a low of 37, a cool day. In 1966 the high was a warm 83 with a low of 49, a 34 degree spread. In 1965 the high was 57 with a low of 50, a seven degree spread. In 1964 the high was a cool 44 (this is the year of the record coolest high) with a low of 24 (cooler than the record low). In 1963 the high was a warm 79 with a low of 41, a 38 degree spread. In 1961 the high was 80 with a low of 56, a warm day.
More recently, there was a large spread of 35 degrees in 1981 (62/32). There were small spreads of three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six degrees in 1984 (63/57).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. Other cool lows were 32 in both 1981 and 1989. Other cool highs were 48 in 1990 and 53 in 1986. The record coolest high stands at 43, which occurred in 1964. 16 of the last 30 lows were 40s. Seven lows were in the cooler 30s and seven lows were in the warmer 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:31 and sunrise is at 6:59. Sunset is at 18:21 and twilight ends at 18:49. Tomorrow twilight begins at 6:32 and sunrise is at 7:01. There's a total of 11 hours, 22 minutes of daylight today (three minutes less than yesterday) and 12 hours, 18 minutes between twilights. The moon is waning gibbous. Illumination was 73% at midnight, will be 68% at noon and 63% at midnight tonight. Moonset is at 13:03. Moonrise is at 21:59. Moonlight time is 15 hours, 4 minutes which is two minutes shorter than yesterday. Today and yesterday are the peak of moonlight times for a while, both days just over 15 hours.
Columbus Day is in three days. My parents will celebrate their 47th wedding anniversary in four days. A brother-in-law, Buddy, celebrates a birthday in four days. National Boss Day is in a week days. -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 65 and the normal low is 45. I've calculated the 30-year averages at 63 and 45.
On the warm side, there were no days of a mean of at least 11.5 degrees above normal. The warmest highs were in the mid 70s (76 two years ago and 75 in 1997). The record high was 86 in 1949 (at Midway). The warm lows were 57 in both 1982 and 1984. The record warmest low of 68 occurred way back in 1879. Over the last 30 years, 28 highs have been: 50s (9), 60s (11) and 70s (8). There were two highs in the cooler 40s.
In looking back through the years to the first October at O'Hare in 1959, the following instances were notable: in 1978 the high was 73 with a low of 41, a 32 degree spread. In 1973 the high was 81 with a low of 63, a warm day. In 1969 the high was a warm 79 with a low of 40, a 39 degree spread. In 1967 the high was 48 with a low of 37, a cool day. In 1966 the high was a warm 83 with a low of 49, a 34 degree spread. In 1965 the high was 57 with a low of 50, a seven degree spread. In 1964 the high was a cool 44 (this is the year of the record coolest high) with a low of 24 (cooler than the record low). In 1963 the high was a warm 79 with a low of 41, a 38 degree spread. In 1961 the high was 80 with a low of 56, a warm day.
More recently, there was a large spread of 35 degrees in 1981 (62/32). There were small spreads of three degrees in 1990 (48/45), six degrees in 1983 (56/50) and six degrees in 1984 (63/57).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. Other cool lows were 32 in both 1981 and 1989. Other cool highs were 48 in 1990 and 53 in 1986. The record coolest high stands at 43, which occurred in 1964. 16 of the last 30 lows were 40s. Seven lows were in the cooler 30s and seven lows were in the warmer 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:31 and sunrise is at 6:59. Sunset is at 18:21 and twilight ends at 18:49. Tomorrow twilight begins at 6:32 and sunrise is at 7:01. There's a total of 11 hours, 22 minutes of daylight today (three minutes less than yesterday) and 12 hours, 18 minutes between twilights. The moon is waning gibbous. Illumination was 73% at midnight, will be 68% at noon and 63% at midnight tonight. Moonset is at 13:03. Moonrise is at 21:59. Moonlight time is 15 hours, 4 minutes which is two minutes shorter than yesterday. Today and yesterday are the peak of moonlight times for a while, both days just over 15 hours.
Columbus Day is in three days. My parents will celebrate their 47th wedding anniversary in four days. A brother-in-law, Buddy, celebrates a birthday in four days. National Boss Day is in a week days. -Bernie-
Thursday, October 9, 2008
October 9: ORD
Today is October 9th. It's the 283rd day of the year. 83 days remain. It's week 41 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. Observations have been official at O'Hare since Thursday, January 17, 1980.
According to the National Climatic Data Center (NCDC), the normal high is 65 and the normal low is 45. The 29-year averages are 63 and 45.
On the warm side, in 2001 the high was 73 with a low of 56. In 1979 the high was 75 with a low of 53. In 1982 the high was 68 with a low of 57. In 2007 the high was the warmest high for the date at 76 and the low was 49. Another warm low was 57 in 1984. There are no 80s highs from 1979-2007. What year produced one? Well, you have to go back to 1973 when the high was 81 and the low was 63. That low of 63 was also the missing 60s low. 1969 and 1963 produced highs of 79 (close to 80). Back in 1966 the high was 83 with a low of 49. Remember that the prior day (in 1966) the high was 80 with a low of 55. In 1961 the high was 80 with a low of 56. The record high of 86 was set in 1949 and the record warmest low of 68 was set way back in 1879. 27 of the 29 highs have been in the 50s (9), 60s (10) and 70s (8).
The lone large spread of 30 degrees occurred in 1981 (62/32). The small spreads were 9 degrees in 1986 (53/44) and 6 degrees in both 1983 (56/50) and 1984 (63/57). In 1990 the spread was just 3 degrees (48/45).
On the cool side, in 1993 the high was 48 with a low of 32. In 2000 the high was 57 with the record low of 30. In 1989 the high was 58 with a low of 32. In 1979 the high was 54 with a low of 36. Other cool highs were 48 in 1990, 53 in 1986 and 54 in 1992. The record coolest high of 43 was set in 1964. 15 of the 29 lows were in the 40s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:32 and sunrise is at 7:00. Sunset is at 18:20 and twilight ends at 18:48. Twilight begins tomorrow at 6:33 and sunrise is at 7:01. There's a total of 11 hours, 20 minutes of daylight today and 12 hours, 16 minutes between twilights. The moon is waxing gibbous. Illumination was 68% at midnight, will be 72% at noon and 77% at midnight tonight. Moonset was at 1:05 this morning. Moonrise is at 15:50 this afternoon and moonset is at 2:12 tomorrow morning. Moonlight time is 9 hours, 15 minutes today.
The following events are all four days away on October 13th: Columbus Day, my parents' 46th wedding anniversary and a brother-in-law, Buddy, will be turning 33. -Bernie-
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