September was dry and warm in Illinois
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[October 10, 2013]
CHAMPAIGN -- Dry conditions were
widespread across Illinois in September, and temperatures were above
average for the first time in several months, according to Jim
Angel, state climatologist at the Illinois State Water Survey,
Prairie Research Institute, University of Illinois.
Statewide precipitation for the month was 1.87 inches, which is
1.39 inches below average and the 14th-driest September on
record. Only a few locations received 3 or more inches in
Illinois, including the Chicago area, far western Illinois and
the southeast corner of the state. Several areas received less
than an inch of precipitation. Overall, the precipitation
departure for September was 57 percent of average.
the sixth-driest July-September on record for Illinois, with
6.64 inches, which is 4.24 inches below average. Ironically,
this came just after the wettest January-June on record for the
state, with 28.96 inches, which is 9.13 inches above average.
This is the third month in a row with below-average
precipitation. In July, Illinois received 3.14 inches, 0.91
inches below average. In August, the state received 1.63 inches,
1.37 inches below average.
The statewide temperature for Illinois in
September was 68.8 degrees, 2.9 degrees above average. It was
warm but not record-setting. The warmest September on record was
1925, with 72.7 degrees.
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"The first part of October was very summer-like, with temperatures
over 9 degrees above average and widespread rains that averaged 1.2
inches," said Angel, "before the cold front on Sunday finally
brought temperatures more in line with October."
[Text from file received from
State Water Survey]
The Illinois State Water Survey at the
University of Illinois at Urbana-Champaign, a division of the
Prairie Research Institute, is the primary agency in Illinois
concerned with water and atmospheric resources.