Viewing Station: IL-DK-9 : De Kalb 3.2 WNW
May 14, 2008 - Sep 21, 20263,466 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.46"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.52"
Departure from Normal
4.94" : 296% of Normal
Year-To-Date: 35.50"
Jan 1 to Sep 22, 2026(260 of 265 days covered by obs)
NOAA Normal
29.05"
Departure from Normal
6.45" : 122% of Normal
Water Year-To-Date: 40.85"
Oct 1, 2025 to Sep 22, 2026(351 of 357 days covered by obs)
NOAA Normal
36.48"
Departure from Normal
4.37" : 112% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.68
0.05
Feb
1.69
1.71
-0.02
Mar
2.24
2.24
0.00
Apr
3.58
3.48
0.10
May
4.56
4.74
-0.18
Jun
4.86
4.66
0.20
Jul
3.93
3.76
0.17
Aug
3.94
3.90
0.04
Sep
3.44
3.36
0.08
Oct
3.01
2.96
0.05
Nov
2.42
2.30
0.12
Dec
2.00
1.98
0.02
37.40
36.77
0.63