Viewing Station: IL-CP-118 : Sadorus 0.2 WSW
Apr 18, 2018 - Sep 20, 20263,063 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.16"
September 1-22, 2026(20 of 22 days covered by obs)
NOAA Normal
2.35"
Departure from Normal
-1.19" : 49% of Normal
Year-To-Date: 34.11"
Jan 1 to Sep 22, 2026(262 of 265 days covered by obs)
NOAA Normal
29.53"
Departure from Normal
4.58" : 116% of Normal
Water Year-To-Date: 37.57"
Oct 1, 2025 to Sep 22, 2026(354 of 357 days covered by obs)
NOAA Normal
38.22"
Departure from Normal
-0.65" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.25
2.31
-0.06
Feb
1.99
2.04
-0.05
Mar
2.51
2.72
-0.21
Apr
4.01
4.06
-0.05
May
4.54
4.43
0.11
Jun
4.54
4.57
-0.03
Jul
4.15
4.09
0.06
Aug
3.19
3.06
0.13
Sep
3.20
3.09
0.11
Oct
3.24
3.25
-0.01
Nov
3.14
3.17
-0.03
Dec
2.31
2.39
-0.08
39.07
39.18
-0.11