Viewing Station: IA-PK-118 : Ankeny 3.3 ESE
May 19, 2021 - Sep 16, 2026196 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.84"
September 1-16, 2026(4 of 16 days covered by obs)
NOAA Normal
1.87"
Departure from Normal
4.97" : 365% of Normal
Year-To-Date: 43.73"
Jan 1 to Sep 16, 2026(55 of 259 days covered by obs)
NOAA Normal
28.01"
Departure from Normal
15.72" : 156% of Normal
Water Year-To-Date: 45.68"
Oct 1, 2025 to Sep 16, 2026(62 of 351 days covered by obs)
NOAA Normal
33.71"
Departure from Normal
11.97" : 136% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.86
0.88
-0.02
Feb
1.10
1.07
0.03
Mar
2.03
2.01
0.02
Apr
3.78
3.75
0.03
May
5.07
5.02
0.05
Jun
5.17
5.35
-0.18
Jul
3.99
4.20
-0.21
Aug
4.14
4.08
0.06
Sep
3.51
3.31
0.20
Oct
2.61
2.58
0.03
Nov
1.82
1.77
0.05
Dec
1.27
1.30
-0.03
35.35
35.32
0.03