Viewing Station: IL-KK-39 : Herscher 3.3 E
Mar 30, 2017 - Dec 15, 20253,390 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.29"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.02"
Departure from Normal
-0.73" : 29% of Normal
Year-To-Date: 27.85"
Jan 1 to Dec 15, 2025(349 of 349 days covered by obs)
NOAA Normal
37.39"
Departure from Normal
-9.54" : 74% of Normal
Water Year-To-Date: 3.89"
Oct 1, 2025 to Dec 15, 2025(76 of 76 days covered by obs)
NOAA Normal
6.92"
Departure from Normal
-3.03" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.20
2.15
0.05
Feb
1.79
1.84
-0.05
Mar
2.36
2.40
-0.04
Apr
3.75
3.64
0.11
May
4.48
4.46
0.02
Jun
4.73
4.70
0.03
Jul
4.17
4.32
-0.15
Aug
3.86
3.67
0.19
Sep
3.13
3.20
-0.07
Oct
3.24
3.23
0.01
Nov
2.66
2.61
0.05
Dec
2.10
2.15
-0.05
38.47
38.37
0.10