Viewing Station: IL-MCH-101 : Crystal Lake 1.9 SW
Mar 23, 2021 - Apr 9, 20261,791 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.58"
April 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.13"
Departure from Normal
2.46" : 318% of Normal
Year-To-Date: 8.34"
Jan 1 to Apr 9, 2026(99 of 99 days covered by obs)
NOAA Normal
6.84"
Departure from Normal
1.50" : 122% of Normal
Water Year-To-Date: 15.06"
Oct 1, 2025 to Apr 9, 2026(191 of 191 days covered by obs)
NOAA Normal
14.42"
Departure from Normal
0.64" : 104% 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