Viewing Station: IA-MS-10 : Marshalltown 3.0 S
Sep 1, 2024 - Sep 15, 2025105 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.45"
September 1-15, 2025(6 of 15 days covered by obs)
NOAA Normal
1.73"
Departure from Normal
-1.28" : 26% of Normal
Year-To-Date: 34.39"
Jan 1 to Sep 15, 2025(94 of 258 days covered by obs)
NOAA Normal
28.22"
Departure from Normal
6.17" : 122% of Normal
Water Year-To-Date: 40.58"
Oct 1, 2024 to Sep 15, 2025(132 of 350 days covered by obs)
NOAA Normal
34.16"
Departure from Normal
6.43" : 119% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.93
0.99
-0.06
Feb
1.08
1.14
-0.06
Mar
1.94
2.01
-0.07
Apr
3.81
3.83
-0.02
May
4.89
4.94
-0.05
Jun
5.39
5.49
-0.10
Jul
4.25
4.29
-0.04
Aug
4.21
4.18
0.03
Sep
3.45
3.51
-0.06
Oct
2.65
2.62
0.03
Nov
1.94
1.93
0.01
Dec
1.34
1.42
-0.08
35.88
36.35
-0.47