Viewing Station: IL-MD-20 : Edwardsville 0.9 WSW
May 8, 2009 - Aug 24, 20265,121 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.60"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.57"
Departure from Normal
1.03" : 140% of Normal
Year-To-Date: 34.60"
Jan 1 to Aug 24, 2026(232 of 236 days covered by obs)
NOAA Normal
28.83"
Departure from Normal
5.77" : 120% of Normal
Water Year-To-Date: 41.68"
Oct 1, 2025 to Aug 24, 2026(323 of 328 days covered by obs)
NOAA Normal
38.21"
Departure from Normal
3.47" : 109% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.53
2.63
-0.10
Feb
2.25
2.37
-0.12
Mar
3.36
3.45
-0.09
Apr
4.73
4.88
-0.15
May
4.97
5.14
-0.17
Jun
4.18
4.67
-0.49
Jul
4.24
4.38
-0.14
Aug
3.32
3.79
-0.47
Sep
3.28
3.07
0.21
Oct
3.24
3.29
-0.05
Nov
3.50
3.46
0.04
Dec
2.64
2.64
0.00
42.24
43.77
-1.53