Viewing Station: IL-DW-7 : Clinton 0.4 WSW
Feb 1, 2015 - Sep 18, 20263,459 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.26"
September 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.90"
Departure from Normal
-0.64" : 66% of Normal
Year-To-Date: 30.64"
Jan 1 to Sep 18, 2026(261 of 261 days covered by obs)
NOAA Normal
28.71"
Departure from Normal
1.93" : 107% of Normal
Water Year-To-Date: 34.99"
Oct 1, 2025 to Sep 18, 2026(353 of 353 days covered by obs)
NOAA Normal
37.27"
Departure from Normal
-2.28" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.17
2.32
-0.15
Feb
1.93
2.01
-0.08
Mar
2.70
2.78
-0.08
Apr
3.83
3.93
-0.10
May
4.47
4.56
-0.09
Jun
4.29
4.37
-0.08
Jul
4.01
4.17
-0.16
Aug
3.41
3.29
0.12
Sep
3.16
3.05
0.11
Oct
3.30
3.42
-0.12
Nov
2.98
3.07
-0.09
Dec
2.28
2.42
-0.14
38.53
39.39
-0.86