Viewing Station: IL-MCL-2 : Arrowsmith 1.7 NNE
Apr 25, 2007 - Jul 19, 20256,844 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.08"
July 1-19, 2025(19 of 19 days covered by obs)
NOAA Normal
2.57"
Departure from Normal
-1.49" : 42% of Normal
Year-To-Date: 16.47"
Jan 1 to Jul 19, 2025(200 of 200 days covered by obs)
NOAA Normal
21.77"
Departure from Normal
-5.30" : 76% of Normal
Water Year-To-Date: 23.44"
Oct 1, 2024 to Jul 19, 2025(292 of 292 days covered by obs)
NOAA Normal
30.09"
Departure from Normal
-6.65" : 78% 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