Viewing Station: IA-PK-139 : Ankeny 2.3 NE
Jun 26, 2023 - Sep 12, 2025536 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.28"
September 1-17, 2025(12 of 17 days covered by obs)
NOAA Normal
2.03"
Departure from Normal
-1.75" : 14% of Normal
Year-To-Date: 22.68"
Jan 1 to Sep 17, 2025(154 of 260 days covered by obs)
NOAA Normal
28.33"
Departure from Normal
-5.65" : 80% of Normal
Water Year-To-Date: 28.41"
Oct 1, 2024 to Sep 17, 2025(196 of 352 days covered by obs)
NOAA Normal
34.06"
Departure from Normal
-5.65" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.87
0.88
-0.01
Feb
1.10
1.07
0.03
Mar
2.04
2.01
0.03
Apr
3.82
3.77
0.05
May
5.07
5.05
0.02
Jun
5.19
5.37
-0.18
Jul
4.05
4.22
-0.17
Aug
4.16
4.11
0.05
Sep
3.58
3.33
0.25
Oct
2.62
2.58
0.04
Nov
1.83
1.78
0.05
Dec
1.28
1.30
-0.02
35.61
35.47
0.14