Viewing Station: IL-HY-27 : Colona 1.3 WNW
May 1, 2023 - Oct 31, 2025903 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.27"
October 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
2.78"
Departure from Normal
-1.51" : 46% of Normal
Year-To-Date: 25.10"
Jan 1 to Oct 31, 2025(304 of 304 days covered by obs)
NOAA Normal
32.79"
Departure from Normal
-7.69" : 77% of Normal
Water Year-To-Date: 1.27"
Oct 1, 2025 to Oct 31, 2025(31 of 31 days covered by obs)
NOAA Normal
2.78"
Departure from Normal
-1.51" : 46% 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