Today is September 24th. It's the 268th day of the year. 98 days remain. It's week 39 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 72
and the normal low is 51. I've calculated the 33-year averages at 69
and 49.
On
the warm side, in 2007 (O'Hare's warmest September 24th) the high was 90 (O'Hare's hottest high of the date) with a low of 68 (O'Hare's warmest low of the date). In 1984
(O'Hare's third warmest September 24th) the high was 84 (along with 1960, O'Hare's second hottest high of the date) with a low of 61. O'Hare's second warmest lows of the date are 64 degrees three years
ago (in 2009) and 64 degrees in 1986. The record high of 91 degrees was
set way back in 1891, at a time when the official readings were taken adjacent to Lake Michigan. The record warmest low of 71 degrees occurred in 1930 at the University of Chicago. 17 of the past 33
highs (52%) were in the 60s. 13 highs (39%) were in the warm: 70s
(8), 80s (4) and 90s (1). Three highs (9%) were in the cool 50s. O'Hare's second warmest September 24th was in 1960 as the high was 84 (with 1984, O'Hare's second hottest high of the date) with a low of 63. The other warm low of 63 degrees occurred in 2005.
In
looking back through the years to the first September at O'Hare in
1959, the following instances were notable: in 1978 the high was 79 with
a low of 49, a 30 degree spread. In 1976 the high was 69 with a cold
low of 34, a 35 degree spread. That low of 34 was colder than the
record low. In 1966 the high was 72 with a cold low of 39, a 33 degree
spread. In 1965 the high was a cool 54 with a low of 42, a cool day.
In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were
large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983
(66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side,
in both 1985 and 1989, the highs were 61 with co-record lows of 35. Those lows of 35 degrees are actually O'Hare's second coldest lows of the date (see 1976 below)! The
record low of 35 degrees was originally set in 1942. 1985 and 1989 are tied with 1965 (O'Hare's coolest high of 54 and low of 42) as O'Hare's coolest September 24ths. In 1991 the high was 57
with a low of 40. In 1995 the high was 62 with a low of 37 (our most
recent 30s low). The other
cool highs were 55 degrees in 2001 and 56 degrees in 2000 (our most recent 50s highs).
The record coolest high of 51 degrees occurred in 1942 at Midway. 15 of the last 33
lows (46%) were in the 40s. Five lows (15%) were in the cold 30s. 13
lows (39%) were in the warm: 50s (8) and 60s (5). The other cold lows are 34 degrees in 1976 (O'Hare's coldest low of the date and a low that's colder than the record lows!), 36 degrees in 1983 (a degree above the record lows), 38 degrees in 1993 and 39 degrees in 1966.
There was an instance of back-to-back years in which temperatures were just about as opposite as they can be. In 1984 the high was 84 with a low of 61, overall 11.5 degrees ABOVE normal. Then in 1985 the high was 61 with a low of 35, overall 13 degrees BELOW normal.
The
following astronomical data is provided by the United States Naval
Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at
6:43. Sunset is at 18:46 and twilight ends at 19:14. There's a total of
12 hours, 3 minutes of daylight today and 12 hours, 59 minutes between
twilights. We lost three minutes of daylight from yesterday. Tomorrow
twilight begins at 6:16 and sunrise is at 6:44. The moon is waxing gibbous, having passed first quarter two days ago at 14:41. Illumination was 66% at midnight, will be 71% at noon and 76%
at midnight tonight. Moonset was at 0:54 this morning. Moonrise is at 15:37 this afternoon. Moonset is at 2:01 tomorrow morning. Moonlight time
is 9 hours, 17 minutes which is 12 minutes longer than yesterday.
Warm Fall began two days ago 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. The Autumnal Equinox was two
days ago at 9:49. Columbus Day is in 14 days. Standard
Time doesn't return until November 4th.
Showing posts with label September 24. Show all posts
Showing posts with label September 24. Show all posts
Monday, September 24, 2012
Saturday, September 24, 2011
September 24: ORD
Today is September 24th. It's the 267th day of the year. 98 days remain. It's week 39 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 72 and the normal low is 51. I've calculated the 32-year averages at 69 and 49.
On the warm side, in 2007 the high was 90 with a low of 68. In 1984 the high was 84 with a low of 61. The other warm lows were 64 two years ago (in 2009), 64 in 1986 and 63 in 2005. The record high of 91 was set way back in 1891. The record warmest low of 71 occurred in 1930. These records occurred at a time when the official readings were taken adjacent to Lake Michigan. 16 of the past 32 highs (50%) were in the 60s. 13 highs (41%) were in the warm: 70s (8), 80s (4) and 90s (1). Three highs (9%) were in the cool 50s.
In looking back through the years to the first September at O'Hare in 1959, the following instances were notable: in 1978 the high was 79 with a low of 49, a 30 degree spread. In 1976 the high was 69 with a cold low of 34, a 35 degree spread. That low of 34 was colder than the record low. In 1966 the high was 72 with a cold low of 39, a 33 degree spread. In 1965 the high was a cool 54 with a low of 42, a cool day. In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983 (66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side, in both 1985 and 1989, highs were 61 with co-record lows of 35. The record low of 35 originally occurred in 1942. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37, our most recent 30s low. The other cool lows were 36 in 1983 and 38 in 1993. The other cool highs were 55 in 2001 (our most recent 50s high) and 56 in 2000. The record coolest high of 51 occurred in 1942. 15 of the last 32 lows (47%) were in the 40s. Five lows (15%) were in the cold 30s. 12 lows (38%) were in the warm: 50s (7) and 60s (5).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:47 and twilight ends at 19:15. There's a total of 12 hours, 4 minutes of daylight today and 13 hours between twilights. We lost four minutes of daylight from yesterday. Tomorrow twilight begins at 6:16 and sunrise is at 6:44. The moon is waning crescent. Illumination was 15% at midnight, will be 11% at noon and 7% at midnight tonight. Moonrise is at 3:16 this morning. Moonset is at 16:56 this afternoon. Moonrise is at 4:29 tomorrow morning. Moonlight time is 13 hours, 40 minutes which is 39 minutes shorter 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 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 72 and the normal low is 51. I've calculated the 32-year averages at 69 and 49.
On the warm side, in 2007 the high was 90 with a low of 68. In 1984 the high was 84 with a low of 61. The other warm lows were 64 two years ago (in 2009), 64 in 1986 and 63 in 2005. The record high of 91 was set way back in 1891. The record warmest low of 71 occurred in 1930. These records occurred at a time when the official readings were taken adjacent to Lake Michigan. 16 of the past 32 highs (50%) were in the 60s. 13 highs (41%) were in the warm: 70s (8), 80s (4) and 90s (1). Three highs (9%) were in the cool 50s.
In looking back through the years to the first September at O'Hare in 1959, the following instances were notable: in 1978 the high was 79 with a low of 49, a 30 degree spread. In 1976 the high was 69 with a cold low of 34, a 35 degree spread. That low of 34 was colder than the record low. In 1966 the high was 72 with a cold low of 39, a 33 degree spread. In 1965 the high was a cool 54 with a low of 42, a cool day. In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983 (66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side, in both 1985 and 1989, highs were 61 with co-record lows of 35. The record low of 35 originally occurred in 1942. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37, our most recent 30s low. The other cool lows were 36 in 1983 and 38 in 1993. The other cool highs were 55 in 2001 (our most recent 50s high) and 56 in 2000. The record coolest high of 51 occurred in 1942. 15 of the last 32 lows (47%) were in the 40s. Five lows (15%) were in the cold 30s. 12 lows (38%) were in the warm: 50s (7) and 60s (5).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:47 and twilight ends at 19:15. There's a total of 12 hours, 4 minutes of daylight today and 13 hours between twilights. We lost four minutes of daylight from yesterday. Tomorrow twilight begins at 6:16 and sunrise is at 6:44. The moon is waning crescent. Illumination was 15% at midnight, will be 11% at noon and 7% at midnight tonight. Moonrise is at 3:16 this morning. Moonset is at 16:56 this afternoon. Moonrise is at 4:29 tomorrow morning. Moonlight time is 13 hours, 40 minutes which is 39 minutes shorter 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 in 16 days.
Saturday, September 25, 2010
September 24: ORD
Today is September 24th. It's the 267th day of the year. 98 days remain. It's week 39 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 71 and the normal low is 51. I've calculated the 31-year averages at 69 and 49.
On the hot side, three years ago the high was 90 with a low of 68. In 1984 the high was 84 with a low of 61. Other warm lows were 64 last year, 64 in 1986 and 63 in 2005. The record high of 91 was set way back in 1891. The record warmest low of 71 occurred in 1930, a time when the official readings were taken on the lakefront. Over the last 31 years, 16 highs were in the 60s. 12 highs were in the warmer: 70s (8), 80s (3) and 90s (1). Three highs were in the cooler 50s.
In looking back through the years to the first September at O'Hare in 1959, the following instances were notable: in 1978 the high was 79 with a low of 49, a 30 degree spread. In 1976 the high was 69 with a cool low of 34, a 35 degree spread. That low of 34 was cooler than the record low. In 1966 the high was 72 with a cool low of 39, a 33 degree spread. In 1965 the high was a cool 54 with a low of 42, a cool day. In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983 (66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side, in both 1985 and 1989, highs were 61 with co-record lows of 35. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37. Other cool lows were 36 in 1983 and 38 in 1993. Other cool highs were 55 in 2001 and 56 in 2000. The record coolest high of 51 occurred in 1942. 15 of the last 31 lows were 40s. Five lows were in the cooler 30s. 11 lows were in the warmer: 50s (6) and 60s (5).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:47 and twilight ends at 19:15. There's a total of 12 hours, 4 minutes of daylight today and 13 hours between twilights. We are losing two or three minutes of daylight a day. Tomorrow twilight begins at 6:16 and sunrise is at 6:44. The moon reached the full Harvest moon at 4:17 yesterday and is waning gibbous. Illumination was 99% at midnight, will be 98% at noon and 97% at midnight tonight. Moonset is at 8:01 this morning. Moonrise is at 18:59 tonight. Moonset is at 9:03 tomorrow morning. Moonlight time is 13 hours, 2 minutes which is 36 minutes longer than yesterday.
Columbus Day is in 17 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 71 and the normal low is 51. I've calculated the 31-year averages at 69 and 49.
On the hot side, three years ago the high was 90 with a low of 68. In 1984 the high was 84 with a low of 61. Other warm lows were 64 last year, 64 in 1986 and 63 in 2005. The record high of 91 was set way back in 1891. The record warmest low of 71 occurred in 1930, a time when the official readings were taken on the lakefront. Over the last 31 years, 16 highs were in the 60s. 12 highs were in the warmer: 70s (8), 80s (3) and 90s (1). Three highs were in the cooler 50s.
In looking back through the years to the first September at O'Hare in 1959, the following instances were notable: in 1978 the high was 79 with a low of 49, a 30 degree spread. In 1976 the high was 69 with a cool low of 34, a 35 degree spread. That low of 34 was cooler than the record low. In 1966 the high was 72 with a cool low of 39, a 33 degree spread. In 1965 the high was a cool 54 with a low of 42, a cool day. In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983 (66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side, in both 1985 and 1989, highs were 61 with co-record lows of 35. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37. Other cool lows were 36 in 1983 and 38 in 1993. Other cool highs were 55 in 2001 and 56 in 2000. The record coolest high of 51 occurred in 1942. 15 of the last 31 lows were 40s. Five lows were in the cooler 30s. 11 lows were in the warmer: 50s (6) and 60s (5).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:47 and twilight ends at 19:15. There's a total of 12 hours, 4 minutes of daylight today and 13 hours between twilights. We are losing two or three minutes of daylight a day. Tomorrow twilight begins at 6:16 and sunrise is at 6:44. The moon reached the full Harvest moon at 4:17 yesterday and is waning gibbous. Illumination was 99% at midnight, will be 98% at noon and 97% at midnight tonight. Moonset is at 8:01 this morning. Moonrise is at 18:59 tonight. Moonset is at 9:03 tomorrow morning. Moonlight time is 13 hours, 2 minutes which is 36 minutes longer than yesterday.
Columbus Day is in 17 days. -Bernie-
Thursday, September 24, 2009
September 24: ORD
Today is September 24th. It's the 267th day of the year. 98 days remain. It's week 39 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 71 and the normal low is 51. I've calculated the 30-year averages at 69 and 48.
On the hot side, two years ago the high was 90 with a low of 68. In 1984 the high was 84 with a low of 61. Other warm lows were 64 in 1986 and 63 in 2005. The record high of 91 was set way back in 1891. The record warmest low of 71 occurred in 1930, a time when the official readings were taken on the lakefront. Over the last 30 years, 16 highs were in the 60s. 11 highs have been in the warmer: 70s (7), 80s (3) and 90s (1). Three highs were in the cooler 50s.
In looking back through the years to the first September at O'Hare in 1959, the following instances were notable: in 1978 the high was 79 with a low of 49, a 30 degree spread. In 1976 the high was 69 with a cool low of 34, a 35 degree spread. That low of 34 was cooler than the record low. In 1966 the high was 72 with a cool low of 39, a 33 degree spread. In 1965 the high was 54 with a low of 42, a cool day. In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983 (66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side, in both 1985 and 1989, highs were 61 with co-record lows of 35. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37. Other cool lows were 36 in 1983 and 38 in 1993. Other cool highs were 55 in 2001 and 56 in 2000. The record coolest high of 51 occurred in 1942. 15 of the last 30 lows were 40s. Five lows were in the cooler 30s. Ten lows were in the warmer: 50s (6) and 60s (4).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:47 and twilight ends at 19:15. Tomorrow twilight begins at 6:16 and sunrise is at 6:44. There's a total of 12 hours, 4 minutes of daylight today (two minutes less than yesterday) and 13 hours between twilights. The moon is waxing crescent, heading towards first quarter tomorrow night at 23:50. Illumination was 32% at midnight, will be 36% at noon and 41% at midnight tonight. Moonrise is at 13:22. Moonset is at 22:07 tonight. Moonlight time is 8 hours, 45 minutes which is 11 minutes shorter than yesterday.
The autumnal equinox was two afternoon's ago at 16:18. Columbus Day is in 18 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 71 and the normal low is 51. I've calculated the 30-year averages at 69 and 48.
On the hot side, two years ago the high was 90 with a low of 68. In 1984 the high was 84 with a low of 61. Other warm lows were 64 in 1986 and 63 in 2005. The record high of 91 was set way back in 1891. The record warmest low of 71 occurred in 1930, a time when the official readings were taken on the lakefront. Over the last 30 years, 16 highs were in the 60s. 11 highs have been in the warmer: 70s (7), 80s (3) and 90s (1). Three highs were in the cooler 50s.
In looking back through the years to the first September at O'Hare in 1959, the following instances were notable: in 1978 the high was 79 with a low of 49, a 30 degree spread. In 1976 the high was 69 with a cool low of 34, a 35 degree spread. That low of 34 was cooler than the record low. In 1966 the high was 72 with a cool low of 39, a 33 degree spread. In 1965 the high was 54 with a low of 42, a cool day. In 1960 the high was 84 with a low of 63, a warm day.
More recently, there were large spreads of 31 degrees in 1993 (69/38) and 30 degrees in 1983 (66/36). There was a small spread of seven degrees in 2000 (56/49).
On the cool side, in both 1985 and 1989, highs were 61 with co-record lows of 35. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37. Other cool lows were 36 in 1983 and 38 in 1993. Other cool highs were 55 in 2001 and 56 in 2000. The record coolest high of 51 occurred in 1942. 15 of the last 30 lows were 40s. Five lows were in the cooler 30s. Ten lows were in the warmer: 50s (6) and 60s (4).
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:47 and twilight ends at 19:15. Tomorrow twilight begins at 6:16 and sunrise is at 6:44. There's a total of 12 hours, 4 minutes of daylight today (two minutes less than yesterday) and 13 hours between twilights. The moon is waxing crescent, heading towards first quarter tomorrow night at 23:50. Illumination was 32% at midnight, will be 36% at noon and 41% at midnight tonight. Moonrise is at 13:22. Moonset is at 22:07 tonight. Moonlight time is 8 hours, 45 minutes which is 11 minutes shorter than yesterday.
The autumnal equinox was two afternoon's ago at 16:18. Columbus Day is in 18 days. -Bernie-
Wednesday, September 24, 2008
September 24: ORD
Today is September 24th. It's the 268th day of the year. 98 days remain. It's week 39 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 71 and the normal low is 51. The 29-year averages are 68 and 48.
On the warm side, last year the high was the near-record high of 90 degrees (the record high is 91, set way back in 1891) with a low of 68. In 1984 the high was 84 with a low of 61. Other warm highs were 82 in 2004 and 77 in 1981. Other warm lows were 64 in 1986 and 63 in 2005. The record warmest low of 71 was set in 1930. 16 of the 29 highs have been in the 60s and seven have been in the 70s.
On the cool side, in 1985 the high was 61 with the co-record low of 35. In 1989 the high was 61 with the other co-record low of 35. In 1991 the high was 57 with a low of 40. In 1995 the high was 62 with a low of 37. In 2001 the high was 55 with a low of 45. In 1983 the high was 66 with a low of 36 (a 30 degree spread). In 2002 the high was 61 with a low of 42. Another cool high was 56 in 2000. Another cool low was 38 in 1993 (spread of 31 as the high was 69). The record coolest high of 51 was set in 1942. 15 of the last 29 lows have been 40s. Five lows each in the 30s and 50s. Four lows have been in the 60s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:15 and sunrise is at 6:43. Sunset is at 18:46 and twilight ends at 19:14. Twilight begins tomorrow at 6:16 and sunrise is at 6:44. There's a total of 12 hours, 3 minutes of daylight today and 12 hours, 59 minutes between twilights. The moon is waning crescent. Illumination was 28% at midnight, will be 23% at noon and 18% at midnight tonight. Moonrise was at 1:17 this morning. Moonset is at 16:30 this afternoon and moonrise is at 2:32 tomorrow morning. Moonlight time is 15 hours, 13 minutes today. The autumnal equinox was two days ago at 10:44.
The following events are all 19 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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