Viewing Station: IL-CP-153 : Dewey 2.70 NW
Dec 4, 2021 - Aug 24, 20261,094 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 10.97"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.79"
Departure from Normal
8.18" : 394% of Normal
Year-To-Date: 36.38"
Jan 1 to Aug 24, 2026(222 of 236 days covered by obs)
NOAA Normal
26.53"
Departure from Normal
9.85" : 137% of Normal
Water Year-To-Date: 40.17"
Oct 1, 2025 to Aug 24, 2026(311 of 328 days covered by obs)
NOAA Normal
34.91"
Departure from Normal
5.26" : 115% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.21
2.24
-0.03
Feb
1.87
2.06
-0.19
Mar
2.62
2.68
-0.06
Apr
3.95
3.89
0.06
May
4.44
4.45
-0.01
Jun
4.44
4.56
-0.12
Jul
4.21
4.11
0.10
Aug
3.60
3.54
0.06
Sep
3.05
3.24
-0.19
Oct
3.20
3.18
0.02
Nov
3.00
2.98
0.02
Dec
2.18
2.31
-0.13
38.77
39.24
-0.47