Viewing Station: IL-KN-156 : St. Charles 1.1 SE
Jul 2, 2025 - Sep 21, 2026291 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.95"
September 1-22, 2026(18 of 22 days covered by obs)
NOAA Normal
2.39"
Departure from Normal
1.56" : 165% of Normal
Year-To-Date: 31.49"
Jan 1 to Sep 22, 2026(172 of 265 days covered by obs)
NOAA Normal
28.52"
Departure from Normal
2.97" : 110% of Normal
Water Year-To-Date: 34.58"
Oct 1, 2025 to Sep 22, 2026(210 of 357 days covered by obs)
NOAA Normal
36.37"
Departure from Normal
-1.79" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.90
-0.17
Feb
1.75
1.85
-0.10
Mar
2.25
2.29
-0.04
Apr
3.75
3.75
0.00
May
4.70
4.76
-0.06
Jun
4.34
4.27
0.07
Jul
3.73
3.70
0.03
Aug
3.88
3.85
0.03
Sep
3.26
3.33
-0.07
Oct
3.35
3.34
0.01
Nov
2.52
2.54
-0.02
Dec
1.98
2.12
-0.14
37.24
37.70
-0.46