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Crop Sciences

University of Illinois at Urbana-Champaign

Northern Illinois Agronomy Research Center

Weather Summary - 2002 Growing Season

Month Total
Rainfall
Inches
Departure
From
Normal
Average
Temperature
(°F)
Departure
From
Normal
Growing
Degree Days
(50)
Departure
From
Normal
April 3.11 -0.12 50.5 1.3 152a 45
May 4.64 0.73 57.6 -1 327 -57
June 3.54 -0.54 73.5 -3.6 671 110
July 1.21 -2.4 77.1 5.7 785 115
August 6.06 2.39 72.5 3.4 685 74
September 1.13 -2.53 66.8 5.1 522 103
October 2.55 -0.26 49.1 -1.5 156b 42
Totals/Average 22.24 -2.83 63.9 9.4 3298 435

a April growing degree days from Apr 15-30
b October growing degree days from Oct 1-15

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