Viewing Station: IA-WP-13 : Ottumwa 2.2 ENE
Jan 30, 2023 - Jul 21, 20261,238 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.43"
July 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
2.72"
Departure from Normal
0.71" : 126% of Normal
Year-To-Date: 23.91"
Jan 1 to Jul 21, 2026(202 of 202 days covered by obs)
NOAA Normal
21.43"
Departure from Normal
2.48" : 112% of Normal
Water Year-To-Date: 28.12"
Oct 1, 2025 to Jul 21, 2026(293 of 294 days covered by obs)
NOAA Normal
27.83"
Departure from Normal
0.29" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.20
1.22
-0.02
Feb
1.48
1.61
-0.13
Mar
2.23
2.21
0.02
Apr
3.72
3.59
0.13
May
5.03
5.18
-0.15
Jun
5.05
5.31
-0.26
Jul
4.01
3.99
0.02
Aug
4.12
4.22
-0.10
Sep
3.52
3.59
-0.07
Oct
2.80
2.64
0.16
Nov
2.07
2.16
-0.09
Dec
1.53
1.66
-0.13
36.76
37.38
-0.62