Viewing Station: IA-PK-107 : Des Moines 4.8 NW
Jan 17, 2020 - Aug 18, 2026830 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.34"
August 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
2.35"
Departure from Normal
1.99" : 185% of Normal
Year-To-Date: 33.42"
Jan 1 to Aug 18, 2026(230 of 230 days covered by obs)
NOAA Normal
24.24"
Departure from Normal
9.18" : 138% of Normal
Water Year-To-Date: 37.56"
Oct 1, 2025 to Aug 18, 2026(311 of 322 days covered by obs)
NOAA Normal
29.86"
Departure from Normal
7.70" : 126% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.94
-0.06
Feb
1.10
1.21
-0.11
Mar
2.06
2.04
0.02
Apr
3.75
3.65
0.10
May
5.06
4.96
0.10
Jun
5.06
5.21
-0.15
Jul
3.98
4.05
-0.07
Aug
4.04
3.92
0.12
Sep
3.39
3.31
0.08
Oct
2.54
2.68
-0.14
Nov
1.79
1.76
0.03
Dec
1.29
1.39
-0.10
34.94
35.12
-0.18