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August 31, 2005

Drier spring-summer here than the Dust Bowl

The area’s lack of rain over the past half year is one for the books. Not even the paltry precipitation of the Dust Bowl years back in the 1930s can match the totals tallied over the combined Meteorological Spring and Summer period which came to an end overnight. Over the six months which began this past March 1 and ended as September arrived, a mere 9.75” of rain fell at Midway Airport—less than half (44%) the typical amount and more than a foot (12.65”) below normal! That makes the 2005 growing season the driest of any since weather records began at the South Side site 77 years ago in 1928. The last time a growing season here came close to being that dry was in the Dust Bowl Year of 1934 when 10.20” fell.

It hasn’t rained measurably in the city for the past 11 days marking the first time since 1969 that August’s closing 11 days were rain-free.

The Labor Day holiday looks beautiful with comfortable temperatures and humidities.
-Tom Skilling

Wednesday's winds & Thursday's forecast; Labor Day Outlook

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57% of Gulf Coast Tropical Storms Occur Beyond September 1

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History of Atlantic Hurricanes Moving into the Pacific Basin

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August 30, 2005

Warm, dry summers often followed by reduced winter snow

August’s close Wednesday night brings Meteorological Summer, 2005 to an end. The season featured three consecutive months of warmer than normal temperatures and pitifully little rainfall. The 74.7° average temperature over the period which began June 1 is 3.1° warmer than the long term average and 6.1° above the same period a year ago. Rainfall was woefully limited. O’Hare’s 5.18” ranks third driest of the 135 years for which records exist. In the city, Midway Airport’s 4.58” is the driest since measurements began at the South Side location in 1928. The previous driest meteorological summer there occured in 1991 when just 4.97” fell.
Our warm, dry summer may have some implications in the months ahead. Six of seven previous years with similar trends in temperature and precipitation have been followed by less than average snowfall in the cold months which follow.

• View all August 2005 entries

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