Viewing Station: IL-MD-12 : Granite City 2.3 NE
May 8, 2007 - Aug 25, 20264,703 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.01"
August 1-26, 2026(25 of 26 days covered by obs)
NOAA Normal
2.75"
Departure from Normal
1.26" : 146% of Normal
Year-To-Date: 36.36"
Jan 1 to Aug 26, 2026(235 of 238 days covered by obs)
NOAA Normal
28.50"
Departure from Normal
7.86" : 128% of Normal
Water Year-To-Date: 43.41"
Oct 1, 2025 to Aug 26, 2026(326 of 330 days covered by obs)
NOAA Normal
37.59"
Departure from Normal
5.82" : 115% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.48
2.64
-0.16
Feb
2.14
2.29
-0.15
Mar
3.35
3.39
-0.04
Apr
4.62
4.71
-0.09
May
4.91
5.10
-0.19
Jun
4.24
4.41
-0.17
Jul
4.01
4.13
-0.12
Aug
3.28
3.68
-0.40
Sep
3.29
3.27
0.02
Oct
3.13
3.22
-0.09
Nov
3.36
3.52
-0.16
Dec
2.60
2.63
-0.03
41.41
42.99
-1.58