Viewing Station: IL-DP-201 : Wheaton 1.4 NNE
Mar 26, 2025 - Dec 15, 2025201 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
December 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.08"
Departure from Normal
-0.39" : 64% of Normal
Year-To-Date: 21.82"
Jan 1 to Dec 16, 2025(251 of 350 days covered by obs)
NOAA Normal
37.01"
Departure from Normal
-15.19" : 59% of Normal
Water Year-To-Date: 5.37"
Oct 1, 2025 to Dec 16, 2025(76 of 77 days covered by obs)
NOAA Normal
7.05"
Departure from Normal
-1.68" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.89
2.06
-0.17
Feb
1.82
1.95
-0.13
Mar
2.35
2.30
0.05
Apr
3.84
3.83
0.01
May
4.70
4.73
-0.03
Jun
4.44
4.40
0.04
Jul
3.74
3.75
-0.01
Aug
3.89
4.03
-0.14
Sep
3.29
3.28
0.01
Oct
3.43
3.46
-0.03
Nov
2.54
2.61
-0.07
Dec
2.09
2.18
-0.09
38.02
38.58
-0.56