July 25: ORD

Today is July 25th. It's the 207th day of the year. 159 days remain.

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 84 and the normal low is 64. The 29-year averages are 84 and 65.

On the hot side, in 1987 the high was 95 with a low of 74. In 1999 the high was 96 with a low of 73. In 2006 the high was 90 with a low of 73. The other 90s high was 92 in 1995. There were two periods of eight ('79-'86) and seven ('88-'94) straight years without a 90s high. The record high of 101 was set in 1940 and the record warmest low of 77 was set way back in 1892. 19 of the 29 highs so far have been 80s.

On the cool side, four of the six highs in the 70s made the grade: 73 in 2004, 75 in 2001, 75 in 1992 and 76 in 1984. The four lows in the 50s were 57 (in 1998 and 2000), 58 in 1991 and 59 in 2003. The record low of 53 was set in 1911 and the record coolest high of 64 was set in 1920. 17 of the 29 lows so far have been in the 60s.

The following astronomical data is provided by the United States Naval Observatory. In Crystal Lake, twilight begins at 5:07 and sunrise is at 5:40. Tomorrow morning twilight begins at 5:08 and sunrise is at 5:41. Sunset today is at 20:19 and twilight ends at 20:52. There's a total of 14 hours, 39 minutes of sunlight and 15 hours, 45 minutes between twilights. The moon reaches last quarter today at 13:42 with 56% visible at midnight, 50% visible at noon and 45% visible at midnight tonight. Moonset is at 13:39 and moonrise is at 23:42. Moonlight time is 13 hours, 57 minutes today.

Parent's Day is in two days. -Bernie-