Viewing Station: IL-MCH-43 : Algonquin 0.7 N
Feb 16, 2010 - Dec 18, 20255,657 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.71"
December 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
1.26"
Departure from Normal
-0.55" : 56% of Normal
Year-To-Date: 28.13"
Jan 1 to Dec 19, 2025(340 of 353 days covered by obs)
NOAA Normal
36.96"
Departure from Normal
-8.83" : 76% of Normal
Water Year-To-Date: 6.10"
Oct 1, 2025 to Dec 19, 2025(79 of 80 days covered by obs)
NOAA Normal
6.89"
Departure from Normal
-0.79" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.77
1.85
-0.08
Feb
1.77
1.83
-0.06
Mar
2.27
2.20
0.07
Apr
3.74
3.69
0.05
May
4.62
4.81
-0.19
Jun
4.64
4.68
-0.04
Jul
3.89
3.91
-0.02
Aug
3.87
3.95
-0.08
Sep
3.50
3.47
0.03
Oct
3.20
3.18
0.02
Nov
2.43
2.45
-0.02
Dec
2.06
2.07
-0.01
37.76
38.09
-0.33