Viewing Station: IL-KN-64 : St. Charles 0.1 E
Apr 3, 2008 - Aug 24, 20266,810 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.56"
August 1-24, 2026(23 of 24 days covered by obs)
NOAA Normal
3.00"
Departure from Normal
1.56" : 152% of Normal
Year-To-Date: 29.54"
Jan 1 to Aug 24, 2026(232 of 236 days covered by obs)
NOAA Normal
25.33"
Departure from Normal
4.21" : 117% of Normal
Water Year-To-Date: 36.78"
Oct 1, 2025 to Aug 24, 2026(324 of 328 days covered by obs)
NOAA Normal
33.13"
Departure from Normal
3.65" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.71
1.90
-0.19
Feb
1.75
1.84
-0.09
Mar
2.24
2.29
-0.05
Apr
3.74
3.75
-0.01
May
4.73
4.77
-0.04
Jun
4.39
4.27
0.12
Jul
3.77
3.70
0.07
Aug
3.87
3.86
0.01
Sep
3.28
3.34
-0.06
Oct
3.32
3.33
-0.01
Nov
2.50
2.54
-0.04
Dec
1.98
2.12
-0.14
37.28
37.71
-0.43