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Crop Sciences

University of Illinois at Urbana-Champaign

Northern Illinois Agronomy Research Center

Weather Summary - 2004 Growing Season

Month Total
Rainfall
Inches
Departure
From
Normal
Average
Temperature
(°F)
Departure
From
Normal
Growing
Degree Days
(50)
Departure
From
Normal
April 1.94 - 1.29 52.2 + 3.1 169a + 59
May 9.54 + 5.61 62.6 + 2.5 438 + 59
June 3.07 - 1.11 69.2 - 0.8 570 + 6
July 2.08 - 1.53 71.0 - 2.5 647 - 27
August 3.25 - 0.41 65.4 - 5.6 462 - 154
September 0.70 - 2.93 63.5 + 0.0 461 + 37
October 3.28 + 0.49 51.6 - 0.4 113b - 5
Totals/Average 23.86 - 1.17 62.2 - 3.7 2864 - 25

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

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