Viewing Station: IL-MCL-4 : Heyworth 0.6 E
Jan 21, 2007 - Dec 15, 20256,888 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.92"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.06"
Departure from Normal
-0.14" : 87% of Normal
Year-To-Date: 27.65"
Jan 1 to Dec 15, 2025(349 of 349 days covered by obs)
NOAA Normal
37.01"
Departure from Normal
-9.36" : 75% of Normal
Water Year-To-Date: 3.98"
Oct 1, 2025 to Dec 15, 2025(76 of 76 days covered by obs)
NOAA Normal
7.26"
Departure from Normal
-3.28" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.12
2.21
-0.09
Feb
1.85
1.95
-0.10
Mar
2.60
2.66
-0.06
Apr
3.80
3.77
0.03
May
4.53
4.50
0.03
Jun
4.19
4.25
-0.06
Jul
4.09
4.05
0.04
Aug
3.50
3.46
0.04
Sep
3.07
3.23
-0.16
Oct
3.30
3.33
-0.03
Nov
2.90
2.84
0.06
Dec
2.19
2.32
-0.13
38.14
38.57
-0.43