Viewing Station: IL-KK-47 : Herscher 2.5 ESE
Oct 17, 2021 - Sep 16, 20251,256 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.20"
September 1-17, 2025(16 of 17 days covered by obs)
NOAA Normal
1.77"
Departure from Normal
-1.57" : 11% of Normal
Year-To-Date: 25.57"
Jan 1 to Sep 17, 2025(259 of 260 days covered by obs)
NOAA Normal
29.24"
Departure from Normal
-3.67" : 87% of Normal
Water Year-To-Date: 31.61"
Oct 1, 2024 to Sep 17, 2025(351 of 352 days covered by obs)
NOAA Normal
37.25"
Departure from Normal
-5.64" : 85% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.21
2.14
0.07
Feb
1.81
1.84
-0.03
Mar
2.39
2.42
-0.03
Apr
3.75
3.63
0.12
May
4.49
4.45
0.04
Jun
4.76
4.68
0.08
Jul
4.18
4.32
-0.14
Aug
3.88
3.66
0.22
Sep
3.13
3.20
-0.07
Oct
3.24
3.22
0.02
Nov
2.67
2.61
0.06
Dec
2.10
2.14
-0.04
38.61
38.31
0.30