Viewing Station: IL-MD-45 : Edwardsville 1.2 ENE
Feb 24, 2020 - Sep 22, 20262,198 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.39"
September 1-23, 2026(22 of 23 days covered by obs)
NOAA Normal
2.54"
Departure from Normal
-1.15" : 55% of Normal
Year-To-Date: 37.89"
Jan 1 to Sep 23, 2026(264 of 266 days covered by obs)
NOAA Normal
32.09"
Departure from Normal
5.80" : 118% of Normal
Water Year-To-Date: 44.96"
Oct 1, 2025 to Sep 23, 2026(356 of 358 days covered by obs)
NOAA Normal
41.46"
Departure from Normal
3.50" : 108% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.55
2.64
-0.09
Feb
2.23
2.37
-0.14
Mar
3.31
3.45
-0.14
Apr
4.71
4.88
-0.17
May
4.97
5.14
-0.17
Jun
4.21
4.68
-0.47
Jul
4.23
4.38
-0.15
Aug
3.34
3.78
-0.44
Sep
3.31
3.08
0.23
Oct
3.24
3.29
-0.05
Nov
3.50
3.47
0.03
Dec
2.63
2.64
-0.01
42.23
43.80
-1.57