Viewing Station: IL-DK-28 : De Kalb 0.7 SW
Jul 7, 2016 - Sep 16, 20253,119 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
September 1-16, 2025(16 of 16 days covered by obs)
NOAA Normal
1.83"
Departure from Normal
-1.44" : 21% of Normal
Year-To-Date: 22.55"
Jan 1 to Sep 16, 2025(259 of 259 days covered by obs)
NOAA Normal
28.08"
Departure from Normal
-5.53" : 80% of Normal
Water Year-To-Date: 28.64"
Oct 1, 2024 to Sep 16, 2025(351 of 351 days covered by obs)
NOAA Normal
35.50"
Departure from Normal
-6.86" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.68
0.05
Feb
1.69
1.73
-0.04
Mar
2.20
2.23
-0.03
Apr
3.58
3.45
0.13
May
4.50
4.75
-0.25
Jun
4.79
4.59
0.20
Jul
3.83
3.75
0.08
Aug
3.93
3.88
0.05
Sep
3.44
3.33
0.11
Oct
3.03
2.96
0.07
Nov
2.41
2.29
0.12
Dec
1.98
1.98
0.00
37.11
36.62
0.49