Viewing Station: IL-MA-34 : Illiopolis 4.4 NNE
Apr 10, 2022 - May 9, 20251,117 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.42"
May 1-10, 2025(9 of 10 days covered by obs)
NOAA Normal
1.45"
Departure from Normal
-0.03" : 98% of Normal
Year-To-Date: 9.00"
Jan 1 to May 10, 2025(129 of 130 days covered by obs)
NOAA Normal
12.50"
Departure from Normal
-3.50" : 72% of Normal
Water Year-To-Date: 17.57"
Oct 1, 2024 to May 10, 2025(221 of 222 days covered by obs)
NOAA Normal
21.06"
Departure from Normal
-3.49" : 83% 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