Viewing Station: IA-HM-1 : Webster City 0.5 NW
Aug 1, 2007 - Sep 10, 20254,611 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.52"
September 1-11, 2025(10 of 11 days covered by obs)
NOAA Normal
1.17"
Departure from Normal
-0.65" : 44% of Normal
Year-To-Date: 30.78"
Jan 1 to Sep 11, 2025(164 of 254 days covered by obs)
NOAA Normal
27.84"
Departure from Normal
2.94" : 111% of Normal
Water Year-To-Date: 34.94"
Oct 1, 2024 to Sep 11, 2025(232 of 346 days covered by obs)
NOAA Normal
33.25"
Departure from Normal
1.69" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.92
0.90
0.02
Feb
1.06
1.09
-0.03
Mar
1.96
1.97
-0.01
Apr
3.74
3.68
0.06
May
5.07
4.87
0.20
Jun
5.41
5.40
0.01
Jul
4.10
4.14
-0.04
Aug
4.41
4.52
-0.11
Sep
3.19
3.25
-0.06
Oct
2.49
2.63
-0.14
Nov
1.66
1.63
0.03
Dec
1.26
1.35
-0.09
35.27
35.43
-0.16