Viewing Station: IA-MS-7 : Marshalltown 0.2 WSW
Jul 17, 2020 - Sep 15, 2026678 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 3.15"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.71"
Departure from Normal
1.44" : 184% of Normal
Year-To-Date: 33.07"
Jan 1 to Sep 15, 2026(170 of 258 days covered by obs)
NOAA Normal
28.12"
Departure from Normal
4.95" : 118% of Normal
Water Year-To-Date: 34.36"
Oct 1, 2025 to Sep 15, 2026(187 of 350 days covered by obs)
NOAA Normal
34.05"
Departure from Normal
0.31" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.92
0.99
-0.07
Feb
1.08
1.14
-0.06
Mar
1.93
2.01
-0.08
Apr
3.79
3.81
-0.02
May
4.86
4.98
-0.12
Jun
5.44
5.48
-0.04
Jul
4.21
4.28
-0.07
Aug
4.18
4.13
0.05
Sep
3.42
3.53
-0.11
Oct
2.65
2.62
0.03
Nov
1.94
1.91
0.03
Dec
1.34
1.43
-0.09
35.76
36.31
-0.55