July's Climate Summary for Chicago and Rockford

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1217 PM CDT SUN AUG 1 2009
 
...A LOOK BACK AT THE CLIMATE FOR THE MONTH OF JULY 2010 FOR
CHICAGO AND ROCKFORD...
 
AT CHICAGO...THE AVERAGE HIGH TEMPERATURE WAS 87.1 DEGREES WHICH IS
3.6 DEGREES ABOVE NORMAL. THE AVERAGE LOW TEMPERATURE WAS 68.2
DEGREES WHICH IS 5.0 DEGREES ABOVE NORMAL. THE AVERAGE TEMPERATURE
FOR THE MONTH WAS 77.7 DEGREES WHICH IS 4.4 DEGREES ABOVE NORMAL.
8.84 INCHES OF PRECIPITATION FELL WHICH IS 5.33 INCHES ABOVE
NORMAL.
 
TWO DAILY RECORDS WERE SET DURING THE MONTH OF JULY AT CHICAGO. THE
FIRST DAILY RECORD WAS RAINFALL ON JULY 23RD WHEN 2.79 INCHES OF
RAIN FELL. THIS BROKE THE OLD RECORD OF 2.26 INCHES WHICH FELL IN
1982. THE SECOND DAILY RECORD WAS ALSO RAINFALL WHEN 3.64 INCHES
FELL ON JULY 24TH. THIS RAINFALL BROKE THE OLD RECORD OF 1.48 INCHES
WHICH FELL IN 1900.
 
 
8.84 INCHES OF PRECIPITATION RANKS THIRD WETTEST SINCE RECORDS HAVE
BEEN KEPT FOR CHICAGO SINCE 1871. THE AVERAGE TEMPERATURE OF 77.7
DEGREES RANKS 7TH WARMEST SINCE RECORDS HAVE BEEN KEPT FOR CHICAGO
SINCE 1872.
 
AT ROCKFORD...THE AVERAGE HIGH TEMPERATURE WAS 85.4 DEGREES WHICH
IS 2.3 DEGREES ABOVE NORMAL. THE AVERAGE LOW TEMPERATURE WAS 65.4
DEGREES WHICH IS 2.8 DEGREES ABOVE NORMAL. THE AVERAGE TEMPERATURE
FOR THE MONTH WAS 75.4 DEGREES WHICH IS 2.5 DEGREES ABOVE NORMAL.
9.40 INCHES OF PRECIPITATION FELL WHICH IS 5.30 INCHES ABOVE
NORMAL.
 
TWO DAILY RECORDS WERE SET DURING THE MONTH OF JULY AT ROCKFORD. THE
FIRST DAILY RECORD WAS RAINFALL ON JULY 23RD WHEN 4.70 INCHES OF
RAIN FELL. THIS BROKE THE OLD RECORD OF 1.73 INCHES WHICH FELL IN
1973. THE SECOND DAILY RECORD WAS ALSO RAINFALL WHEN 2.81 INCHES
FELL ON JULY 24TH. THIS RAINFALL BROKE THE OLD RECORD OF 0.86 INCHES
WHICH FELL IN 1933.
 
9.40 INCHES OF PRECIPITATION RANKS THIRD WETTEST SINCE RECORDS HAVE
BEEN KEPT FOR ROCKFORD SINCE 1906.


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