Viewing Station: IL-MCH-115 : McHenry 3.8 ENE
Mar 15, 2024 - Sep 15, 2025422 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.64"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.89"
Departure from Normal
-0.25" : 87% of Normal
Year-To-Date: 21.79"
Jan 1 to Sep 16, 2025(255 of 259 days covered by obs)
NOAA Normal
27.43"
Departure from Normal
-5.64" : 79% of Normal
Water Year-To-Date: 26.96"
Oct 1, 2024 to Sep 16, 2025(347 of 351 days covered by obs)
NOAA Normal
34.87"
Departure from Normal
-7.91" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.74
1.78
-0.04
Feb
1.69
1.78
-0.09
Mar
2.19
2.22
-0.03
Apr
3.75
3.69
0.06
May
4.24
4.49
-0.25
Jun
4.55
4.71
-0.16
Jul
3.64
3.75
-0.11
Aug
3.74
3.72
0.02
Sep
3.55
3.50
0.05
Oct
3.07
3.10
-0.03
Nov
2.39
2.36
0.03
Dec
1.98
2.00
-0.02
36.53
37.10
-0.57