Viewing Station: IA-PK-107 : Des Moines 4.8 NW
Jan 17, 2020 - Sep 17, 2026860 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 11.59"
September 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.92"
Departure from Normal
9.67" : 603% of Normal
Year-To-Date: 45.53"
Jan 1 to Sep 17, 2026(260 of 260 days covered by obs)
NOAA Normal
27.85"
Departure from Normal
17.68" : 163% of Normal
Water Year-To-Date: 49.67"
Oct 1, 2025 to Sep 17, 2026(341 of 352 days covered by obs)
NOAA Normal
33.47"
Departure from Normal
16.20" : 148% 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