Viewing Station: IL-EW-5 : West Salem 0.2 E
Mar 12, 2023 - Sep 23, 2026947 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.40"
September 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.71"
Departure from Normal
-0.31" : 89% of Normal
Year-To-Date: 17.47"
Jan 1 to Sep 23, 2026(139 of 266 days covered by obs)
NOAA Normal
35.23"
Departure from Normal
-17.76" : 50% of Normal
Water Year-To-Date: 17.47"
Oct 1, 2025 to Sep 23, 2026(140 of 358 days covered by obs)
NOAA Normal
45.98"
Departure from Normal
-28.51" : 38% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.31
3.28
0.03
Feb
2.65
2.79
-0.14
Mar
3.96
4.04
-0.08
Apr
5.02
4.96
0.06
May
5.15
5.03
0.12
Jun
4.68
4.60
0.08
Jul
4.38
4.21
0.17
Aug
3.37
3.22
0.15
Sep
3.53
3.36
0.17
Oct
3.53
3.50
0.03
Nov
3.95
3.94
0.01
Dec
3.27
3.43
-0.16
46.80
46.36
0.44