Viewing Station: IL-WD-18 : Prophetstown 0.2 SW
Apr 7, 2018 - Dec 15, 20252,516 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.48"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.00"
Departure from Normal
-0.52" : 48% of Normal
Year-To-Date: 31.20"
Jan 1 to Dec 15, 2025(348 of 349 days covered by obs)
NOAA Normal
37.09"
Departure from Normal
-5.89" : 84% of Normal
Water Year-To-Date: 6.92"
Oct 1, 2025 to Dec 15, 2025(76 of 76 days covered by obs)
NOAA Normal
6.22"
Departure from Normal
0.70" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.63
1.64
-0.01
Feb
1.70
1.74
-0.04
Mar
2.50
2.53
-0.03
Apr
3.71
3.72
-0.01
May
4.62
4.81
-0.19
Jun
4.93
4.91
0.02
Jul
4.10
4.03
0.07
Aug
3.92
4.18
-0.26
Sep
3.76
3.47
0.29
Oct
2.86
3.02
-0.16
Nov
2.36
2.14
0.22
Dec
2.06
2.01
0.05
38.15
38.20
-0.05