Viewing Station: IL-MA-34 : Illiopolis 4.4 NNE
Apr 10, 2022 - Nov 20, 20251,308 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.30"
November 1-20, 2025(20 of 20 days covered by obs)
NOAA Normal
2.01"
Departure from Normal
-0.71" : 65% of Normal
Year-To-Date: 26.12"
Jan 1 to Nov 20, 2025(324 of 324 days covered by obs)
NOAA Normal
35.57"
Departure from Normal
-9.45" : 73% of Normal
Water Year-To-Date: 2.76"
Oct 1, 2025 to Nov 20, 2025(51 of 51 days covered by obs)
NOAA Normal
5.28"
Departure from Normal
-2.52" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.22
2.19
0.03
Feb
2.01
2.02
-0.01
Mar
2.75
2.70
0.05
Apr
4.07
4.03
0.04
May
4.51
4.48
0.03
Jun
4.33
4.41
-0.08
Jul
4.00
3.98
0.02
Aug
3.37
3.26
0.11
Sep
3.03
3.04
-0.01
Oct
3.27
3.27
0.00
Nov
3.02
2.94
0.08
Dec
2.27
2.24
0.03
38.85
38.56
0.29