Viewing Station: IL-CE-13 : Charleston 0.8 NW
Apr 11, 2022 - Sep 18, 2026797 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.11"
September 1-19, 2026(18 of 19 days covered by obs)
NOAA Normal
1.92"
Departure from Normal
-1.81" : 6% of Normal
Year-To-Date: 42.28"
Jan 1 to Sep 19, 2026(256 of 262 days covered by obs)
NOAA Normal
30.37"
Departure from Normal
11.91" : 139% of Normal
Water Year-To-Date: 48.79"
Oct 1, 2025 to Sep 19, 2026(343 of 354 days covered by obs)
NOAA Normal
39.94"
Departure from Normal
8.85" : 122% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.53
2.72
-0.19
Feb
2.12
2.32
-0.20
Mar
2.93
3.02
-0.09
Apr
4.62
4.83
-0.21
May
4.33
4.39
-0.06
Jun
4.90
4.96
-0.06
Jul
4.16
4.16
0.00
Aug
2.86
2.78
0.08
Sep
3.03
2.98
0.05
Oct
3.57
3.62
-0.05
Nov
3.51
3.70
-0.19
Dec
2.49
2.71
-0.22
41.05
42.19
-1.14