Viewing Station: IL-WL-99 : Manhattan 1.9 SE
May 1, 2012 - Dec 15, 20254,915 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.37"
December 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.11"
Departure from Normal
-0.74" : 33% of Normal
Year-To-Date: 29.91"
Jan 1 to Dec 16, 2025(349 of 350 days covered by obs)
NOAA Normal
38.11"
Departure from Normal
-8.20" : 78% of Normal
Water Year-To-Date: 5.31"
Oct 1, 2025 to Dec 16, 2025(76 of 77 days covered by obs)
NOAA Normal
7.08"
Departure from Normal
-1.77" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.13
2.13
0.00
Feb
1.86
1.93
-0.07
Mar
2.37
2.30
0.07
Apr
3.79
3.74
0.05
May
4.61
4.51
0.10
Jun
4.55
4.51
0.04
Jul
4.30
4.40
-0.10
Aug
4.05
3.92
0.13
Sep
3.37
3.37
0.00
Oct
3.33
3.32
0.01
Nov
2.64
2.61
0.03
Dec
2.15
2.14
0.01
39.15
38.88
0.27