...A LOOK BACK AT THE CLIMATE FOR THE MONTH OF MAY 2011 FOR
CHICAGO AND ROCKFORD...

AT CHICAGO...THE AVERAGE HIGH TEMPERATURE WAS 67.8 DEGREES WHICH IS
2.1 DEGREES BELOW NORMAL. THE AVERAGE LOW TEMPERATURE WAS 48.0
DEGREES WHICH IS 0.5 DEGREE ABOVE NORMAL. THE AVERAGE TEMPERATURE
FOR THE MONTH WAS 57.9 DEGREES WHICH IS 0.8 DEGREES BELOW NORMAL.
7.27 INCHES OF PRECIPITATION WAS RECORDED WHICH IS 3.89 INCHES ABOVE
NORMAL. A TRACE OF SNOW...IN THE FORM OF HAIL...WAS RECORDED WHICH
IS NORMAL.

THE HIGH OF 90 DEGREES ON MAY 10 SET A RECORD HIGH FOR THAT
DAY...BREAKING THE OLD RECORD OF 89 SET IN 1896. ALSO...MAY 2011 IS
THE FOURTH WETTEST MAY ON RECORD.

AT ROCKFORD...THE AVERAGE HIGH TEMPERATURE WAS 70.4 DEGREES WHICH
IS 0.8 DEGREES BELOW NORMAL. THE AVERAGE LOW TEMPERATURE WAS 48.9
DEGREES WHICH IS 1.0 DEGREE ABOVE NORMAL. THE AVERAGE TEMPERATURE
FOR THE MONTH WAS 59.7 DEGREES WHICH IS 0.1 DEGREE ABOVE NORMAL.
3.94 INCHES OF PRECIPITATION WAS RECORDED WHICH IS 0.09 INCHES BELOW
NORMAL. A TRACE OF SNOW...IN THE FORM OF HAIL...WAS RECORDED WHICH
IS NORMAL.

THE HIGH TEMPERATURE OF 91 DEGREES ON MAY 10 TIED THE RECORD FOR
THAT DAY SET IN 1922.
THE HIGH TEMPERATURE OF 91 DEGREES ON MAY 11 BROKE THE OLD RECORD OF
90 FOR THAT DAY SET IN 1922.