Viewing Station: IL-MCL-2 : Arrowsmith 1.7 NNE
Apr 25, 2007 - May 9, 20256,763 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.54"
May 1-10, 2025(9 of 10 days covered by obs)
NOAA Normal
1.42"
Departure from Normal
-0.88" : 38% of Normal
Year-To-Date: 8.99"
Jan 1 to May 10, 2025(129 of 130 days covered by obs)
NOAA Normal
11.90"
Departure from Normal
-2.91" : 76% of Normal
Water Year-To-Date: 15.96"
Oct 1, 2024 to May 10, 2025(221 of 222 days covered by obs)
NOAA Normal
20.22"
Departure from Normal
-4.26" : 79% 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