Viewing Station: IL-KN-67 : St. Charles 6.0 NW
May 11, 2008 - Aug 23, 20266,958 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.07"
August 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.88"
Departure from Normal
0.19" : 107% of Normal
Year-To-Date: 29.21"
Jan 1 to Aug 23, 2026(235 of 235 days covered by obs)
NOAA Normal
25.44"
Departure from Normal
3.77" : 115% of Normal
Water Year-To-Date: 35.67"
Oct 1, 2025 to Aug 23, 2026(327 of 327 days covered by obs)
NOAA Normal
33.25"
Departure from Normal
2.42" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.74
1.85
-0.11
Feb
1.77
1.80
-0.03
Mar
2.26
2.29
-0.03
Apr
3.70
3.73
-0.03
May
4.74
4.87
-0.13
Jun
4.51
4.39
0.12
Jul
3.84
3.80
0.04
Aug
3.88
3.95
-0.07
Sep
3.36
3.44
-0.08
Oct
3.29
3.26
0.03
Nov
2.50
2.52
-0.02
Dec
2.02
2.15
-0.13
37.61
38.05
-0.44