National Weather Service Weather Forecast Office

ANOTHER 1.40 INCHES OF RAINFALL FELL AT CHICAGO-OHARE THURSDAY INTO
FRIDAY MORNING...WHICH BRINGS THE MONTHLY RAINFALL TOTAL FOR JULY
2011 TO 11.15 INCHES AS OF 7 AM CDT. THIS SETS A NEW RECORD FOR THE
WETTEST JULY IN RECORDED HISTORY IN CHICAGO. THE PREVIOUS RECORD WAS
9.56 INCHES IN JULY OF 1889. THIS ALSO MOVES JULY 2011 UP TO THE 7TH
WETTEST MONTH EVER IN CHICAGO.

IN ADDITION...THE ALL TIME RECORD WETTEST MONTH WAS AUGUST
1987...WHEN 17.10 INCHES OF RAINFALL WAS OBSERVED.

FOLLOWING ARE THE TEN WETTEST JULYS FOR CHICAGO

RANK..................VALUE..................YEAR
1.....................11.15..................2011
2......................9.56..................1889
3......................8.98..................1957
4......................8.84..................2010
5......................8.33..................1982
6......................7.58..................1969
7......................7.31..................1963
8......................7.18..................1875
9......................6.78..................1950
10.....................6.66..................1899


FOLLOWING ARE THE TEN WETTEST MONTHS FOR CHICAGO

RANK..................VALUE..................MONTH/YEAR
1.....................17.10..................AUG/1987
2.....................14.17..................SEPT/1961
3.....................13.63..................SEPT/2008
4.....................12.25..................AUG/2001
5.....................12.06..................OCT/1954
6.....................11.28..................AUG/1885
7.....................11.15..................JULY/2011
8.....................10.58..................JUNE/1892
9......................9.96..................JUNE/1993
10....................9.70..................AUG/2007


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KREIN/RATZER/CM/AS