Viewing Station: IL-KK-39 : Herscher 3.3 E
Mar 30, 2017 - Aug 13, 20263,639 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.94"
August 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.62"
Departure from Normal
2.32" : 243% of Normal
Year-To-Date: 20.52"
Jan 1 to Aug 13, 2026(225 of 225 days covered by obs)
NOAA Normal
25.10"
Departure from Normal
-4.58" : 82% of Normal
Water Year-To-Date: 25.54"
Oct 1, 2025 to Aug 13, 2026(317 of 317 days covered by obs)
NOAA Normal
33.10"
Departure from Normal
-7.56" : 77% 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