Viewing Station: IL-MCL-2 : Arrowsmith 1.7 NNE
Apr 25, 2007 - Oct 30, 20256,952 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.36"
October 1-31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.22"
Departure from Normal
-1.86" : 42% of Normal
Year-To-Date: 25.79"
Jan 1 to Oct 31, 2025(303 of 304 days covered by obs)
NOAA Normal
33.49"
Departure from Normal
-7.70" : 77% of Normal
Water Year-To-Date: 1.36"
Oct 1, 2025 to Oct 31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.22"
Departure from Normal
-1.86" : 42% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.18
2.14
0.04
Feb
1.86
1.83
0.03
Mar
2.64
2.53
0.11
Apr
3.80
3.63
0.17
May
4.41
4.38
0.03
Jun
4.31
4.12
0.19
Jul
4.20
3.87
0.33
Aug
3.64
3.33
0.31
Sep
3.23
3.25
-0.02
Oct
3.22
3.19
0.03
Nov
2.89
2.63
0.26
Dec
2.21
2.17
0.04
38.59
37.07
1.52