On the warmer side, in 1982 the high was the near-record high of 62 with the record warmest low of 51. The record high of 64 remains, having being set way back in 1889. Three years earlier, in 1979, the high was 51 with a low of 37. In 1987 the high was 48 with a low of 34. Three years ago the high was 39 with a low of 34, a five degree spread. Two years ago the high was 44 with a low of 29. Another warm high was 43 in 1988. Another warm low was 33 in 1997. 27 of the last 30 highs were 10s (5), 20s (10), 30s (7) and 40s (5). On the warmer side, one high was a 50s high and one highs was a 60s high. On the colder side, one high was in the negative 10s.
More recently, we had small spreads of two degrees in 1997 (35/33), six degrees in 1993 (18/12), six degrees in 1995 (28/22), six degrees in 2001 (21/15) and six degrees last year (26/20). A large spread of 30 degrees occurred in 1980 (32/2).
On the cold side, in 1983 the high was the record coldest high of -11 with the record low of -25. Six years later, in 1989, the high was 14 with a low of -6. In 2000 the high was 11 with a low of -2. Four years later, in 2004, the high was 12 with a low of -2. In 1985 the high was 22 with a low of -8. Five years later, in 1990, the high was 16 with a low of 1. Two years later, in 1992, the high was 22 with a low of -3. Other cold lows were 0 in 1984, 2 in 1980 and 7 in 1996. Other cold highs were 18 in 1993, 20 in 1999 and 21 in 2001. 28 of the last 30 lows were negative zeros (5), zeros (5), 10s (6), 20s (8) and 30s (4). On the colder side, one low was in the negative 20s. On the warmer side, one low was in the 50s.
The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 6:48 and sunrise is at 7:20. Sunset is at 16:26 and twilight ends at 16:58. There's a total of 9 hours, 6 minutes of daylight today and 10 hours, 10 minutes between twilights. Tomorrow twilight begins at 6:49 and sunrise is at 7:21. The moon is waning crescent. Illumination was 9% at midnight, will be 7% at noon and 5% at midnight tonight. Moonrise was at 5:07 and moonset is at 14:00. Moonrise is at 6:05 tomorrow. Moonlight time is 8 hours, 53 minutes today. The Winter Solstice was three days ago at 6:04.
Today is a major snow day in O'Hare's history. In 1969, 2.1 inches fell. This was the fourth of four days of measurable snowfall, part of a total of 13.5 inches during the period.
A couple of weeks ago, Tom Skilling of the WGN-TV weather center, wrote the following in response to a question about Christmas '65: "Your recall is perfect. Christmas Eve, 1965, was mild and rainy with a high of 51 degrees. In fact it was Chicago's wettest Christmas Eve, with precipitation totaling 2.61 inches, accompanied by thunder and flooding. However, colder air moved in during the evening as a cold front passed through the area and temperatures plunged into the 30s. Rain turned to sleet and then snow with half an inch falling before midnight. At 6 a.m. on Christmas, 2 inches of snow covered the ground at the then official site at Midway Airport, and 1965 was officially declared a white Christmas. The snow cover remained through Dec. 29 then vanished as the mercury climbed to 56 degrees on Dec. 30 and to 60 degrees on New Year's Eve."Christmas Eve is today and Christmas Day is tomorrow. New Year's Eve is in seven days and New Year's Day is in eight days. -Bernie-
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