Viewing Station: IL-MCH-83 : Crystal Lake 1.0 WSW
Mar 7, 2017 - Aug 13, 20252,878 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.34"
August 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
-1.26" : 21% of Normal
Year-To-Date: 13.45"
Jan 1 to Aug 13, 2025(134 of 225 days covered by obs)
NOAA Normal
24.24"
Departure from Normal
-10.79" : 55% of Normal
Water Year-To-Date: 18.75"
Oct 1, 2024 to Aug 13, 2025(226 of 317 days covered by obs)
NOAA Normal
31.81"
Departure from Normal
-13.06" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.75
1.81
-0.06
Feb
1.75
1.82
-0.07
Mar
2.22
2.20
0.02
Apr
3.75
3.68
0.07
May
4.55
4.75
-0.20
Jun
4.66
4.79
-0.13
Jul
3.96
3.94
0.02
Aug
3.82
3.89
-0.07
Sep
3.49
3.52
-0.03
Oct
3.14
3.16
-0.02
Nov
2.41
2.42
-0.01
Dec
2.02
2.03
-0.01
37.52
38.01
-0.49