Viewing Station: IL-MP-4 : Girard 1.2 W
Feb 26, 2008 - May 27, 20266,309 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.35"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.02"
Departure from Normal
0.33" : 108% of Normal
Year-To-Date: 11.40"
Jan 1 to May 27, 2026(84 of 147 days covered by obs)
NOAA Normal
15.55"
Departure from Normal
-4.15" : 73% of Normal
Water Year-To-Date: 16.58"
Oct 1, 2025 to May 27, 2026(175 of 239 days covered by obs)
NOAA Normal
23.96"
Departure from Normal
-7.38" : 69% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.23
2.15
0.08
Feb
2.00
2.01
-0.01
Mar
2.86
2.87
-0.01
Apr
4.44
4.43
0.01
May
4.61
4.73
-0.12
Jun
4.27
4.42
-0.15
Jul
3.78
3.43
0.35
Aug
3.42
3.06
0.36
Sep
3.27
3.14
0.13
Oct
3.12
3.22
-0.10
Nov
3.10
3.03
0.07
Dec
2.19
2.25
-0.06
39.29
38.74
0.55