Viewing Station: IL-MD-10 : Granite City 1.4 ENE
May 8, 2007 - Dec 15, 20256,517 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.31"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.26"
Departure from Normal
-0.95" : 25% of Normal
Year-To-Date: 50.32"
Jan 1 to Dec 15, 2025(349 of 349 days covered by obs)
NOAA Normal
40.07"
Departure from Normal
10.25" : 126% of Normal
Water Year-To-Date: 6.74"
Oct 1, 2025 to Dec 15, 2025(76 of 76 days covered by obs)
NOAA Normal
7.75"
Departure from Normal
-1.01" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.48
2.65
-0.17
Feb
2.14
2.29
-0.15
Mar
3.35
3.39
-0.04
Apr
4.62
4.70
-0.08
May
4.91
5.10
-0.19
Jun
4.24
4.42
-0.18
Jul
4.01
4.12
-0.11
Aug
3.28
3.68
-0.40
Sep
3.29
3.28
0.01
Oct
3.13
3.21
-0.08
Nov
3.36
3.52
-0.16
Dec
2.60
2.63
-0.03
41.41
42.99
-1.58