Viewing Station: IA-WP-13 : Ottumwa 2.2 ENE
Jan 30, 2023 - Jun 19, 20261,206 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.96"
June 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
3.20"
Departure from Normal
1.76" : 155% of Normal
Year-To-Date: 18.84"
Jan 1 to Jun 19, 2026(170 of 170 days covered by obs)
NOAA Normal
16.86"
Departure from Normal
1.98" : 112% of Normal
Water Year-To-Date: 23.05"
Oct 1, 2025 to Jun 19, 2026(261 of 262 days covered by obs)
NOAA Normal
23.26"
Departure from Normal
-0.21" : 99% 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