Viewing Station: IL-HY-27 : Colona 1.3 WNW
May 1, 2023 - Sep 21, 20261,218 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.88"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.51"
Departure from Normal
4.37" : 274% of Normal
Year-To-Date: 32.27"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
29.10"
Departure from Normal
3.17" : 111% of Normal
Water Year-To-Date: 37.51"
Oct 1, 2025 to Sep 22, 2026(356 of 357 days covered by obs)
NOAA Normal
36.09"
Departure from Normal
1.42" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.49
1.52
-0.03
Feb
1.68
1.74
-0.06
Mar
2.44
2.45
-0.01
Apr
3.70
3.63
0.07
May
4.64
4.78
-0.14
Jun
4.76
4.64
0.12
Jul
4.01
4.17
-0.16
Aug
3.87
3.86
0.01
Sep
3.42
3.45
-0.03
Oct
2.78
2.78
0.00
Nov
2.30
2.26
0.04
Dec
1.91
1.99
-0.08
37.00
37.27
-0.27