Viewing Station: IL-MCH-101 : Crystal Lake 1.9 SW
Mar 23, 2021 - Aug 24, 20261,927 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.29"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.96"
Departure from Normal
1.33" : 145% of Normal
Year-To-Date: 28.21"
Jan 1 to Aug 24, 2026(236 of 236 days covered by obs)
NOAA Normal
25.60"
Departure from Normal
2.61" : 110% of Normal
Water Year-To-Date: 34.93"
Oct 1, 2025 to Aug 24, 2026(328 of 328 days covered by obs)
NOAA Normal
33.17"
Departure from Normal
1.76" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.75
1.82
-0.07
Feb
1.75
1.82
-0.07
Mar
2.22
2.20
0.02
Apr
3.75
3.68
0.07
May
4.55
4.76
-0.21
Jun
4.66
4.78
-0.12
Jul
3.96
3.94
0.02
Aug
3.82
3.90
-0.08
Sep
3.49
3.52
-0.03
Oct
3.14
3.16
-0.02
Nov
2.41
2.42
-0.01
Dec
2.02
2.04
-0.02
37.52
38.04
-0.52