Viewing Station: IL-MD-41 : Troy 1.9 S
Feb 21, 2020 - Dec 16, 20251,954 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.29"
December 1-17, 2025(16 of 17 days covered by obs)
NOAA Normal
1.46"
Departure from Normal
-1.17" : 20% of Normal
Year-To-Date: 43.01"
Jan 1 to Dec 17, 2025(350 of 351 days covered by obs)
NOAA Normal
41.30"
Departure from Normal
1.71" : 104% of Normal
Water Year-To-Date: 6.35"
Oct 1, 2025 to Dec 17, 2025(77 of 78 days covered by obs)
NOAA Normal
8.16"
Departure from Normal
-1.81" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.60
2.72
-0.12
Feb
2.23
2.35
-0.12
Mar
3.39
3.44
-0.05
Apr
4.80
4.84
-0.04
May
4.99
5.06
-0.07
Jun
4.37
4.62
-0.25
Jul
4.08
4.22
-0.14
Aug
3.38
3.63
-0.25
Sep
3.30
3.23
0.07
Oct
3.19
3.19
0.00
Nov
3.51
3.59
-0.08
Dec
2.67
2.68
-0.01
42.51
43.57
-1.06