Viewing Station: IA-WP-13 : Ottumwa 2.2 ENE
Jan 30, 2023 - Mar 21, 20261,116 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.44"
March 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
1.51"
Departure from Normal
0.93" : 162% of Normal
Year-To-Date: 3.08"
Jan 1 to Mar 21, 2026(80 of 80 days covered by obs)
NOAA Normal
4.19"
Departure from Normal
-1.11" : 73% of Normal
Water Year-To-Date: 7.29"
Oct 1, 2025 to Mar 21, 2026(171 of 172 days covered by obs)
NOAA Normal
10.59"
Departure from Normal
-3.30" : 69% 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