Viewing Station: IL-MCH-115 : McHenry 3.8 ENE
Mar 15, 2024 - Sep 13, 2026698 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.30"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.54"
Departure from Normal
-0.24" : 85% of Normal
Year-To-Date: 34.98"
Jan 1 to Sep 13, 2026(255 of 256 days covered by obs)
NOAA Normal
27.08"
Departure from Normal
7.90" : 129% of Normal
Water Year-To-Date: 41.90"
Oct 1, 2025 to Sep 13, 2026(347 of 348 days covered by obs)
NOAA Normal
34.52"
Departure from Normal
7.38" : 121% 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