Viewing Station: IL-CE-8 : Charleston 4.7 SSW
Sep 3, 2010 - Dec 14, 20253,963 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.84"
December 1-15, 2025(5 of 15 days covered by obs)
NOAA Normal
1.22"
Departure from Normal
-0.38" : 69% of Normal
Year-To-Date: 37.62"
Jan 1 to Dec 15, 2025(339 of 349 days covered by obs)
NOAA Normal
40.15"
Departure from Normal
-2.53" : 94% of Normal
Water Year-To-Date: 6.31"
Oct 1, 2025 to Dec 15, 2025(66 of 76 days covered by obs)
NOAA Normal
8.34"
Departure from Normal
-2.03" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.59
2.79
-0.20
Feb
2.14
2.34
-0.20
Mar
2.98
3.08
-0.10
Apr
4.64
4.82
-0.18
May
4.45
4.50
-0.05
Jun
4.95
5.08
-0.13
Jul
4.17
4.25
-0.08
Aug
2.85
2.88
-0.03
Sep
3.04
2.99
0.05
Oct
3.59
3.63
-0.04
Nov
3.53
3.69
-0.16
Dec
2.52
2.70
-0.18
41.45
42.75
-1.30