Viewing Station: IL-WM-27 : Herrin 1.0 SE
Jun 19, 2025 - Oct 31, 2025133 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.74"
October 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.58"
Departure from Normal
1.16" : 132% of Normal
Year-To-Date: 16.13"
Jan 1 to Oct 31, 2025(133 of 304 days covered by obs)
NOAA Normal
39.66"
Departure from Normal
-23.53" : 41% of Normal
Water Year-To-Date: 4.74"
Oct 1, 2025 to Oct 31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.58"
Departure from Normal
1.16" : 132% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.24
3.19
0.05
Feb
3.08
3.09
-0.01
Mar
4.38
4.24
0.14
Apr
5.42
5.23
0.19
May
5.08
5.02
0.06
Jun
4.43
4.39
0.04
Jul
3.94
3.79
0.15
Aug
3.20
3.05
0.15
Sep
3.31
3.16
0.15
Oct
3.58
3.49
0.09
Nov
4.15
4.11
0.04
Dec
3.50
3.54
-0.04
47.31
46.30
1.01