Viewing Station: IA-PK-97 : Ankeny 1.5 NNE
Aug 22, 2018 - Oct 20, 20252,600 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.64"
October 1-20, 2025(20 of 20 days covered by obs)
NOAA Normal
1.68"
Departure from Normal
-0.04" : 97% of Normal
Year-To-Date: 35.27"
Jan 1 to Oct 20, 2025(292 of 293 days covered by obs)
NOAA Normal
31.60"
Departure from Normal
3.67" : 112% of Normal
Water Year-To-Date: 1.64"
Oct 1, 2025 to Oct 20, 2025(20 of 20 days covered by obs)
NOAA Normal
1.68"
Departure from Normal
-0.04" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.89
-0.01
Feb
1.10
1.08
0.02
Mar
2.08
2.01
0.07
Apr
3.82
3.76
0.06
May
5.08
5.05
0.03
Jun
5.18
5.37
-0.19
Jul
4.07
4.21
-0.14
Aug
4.17
4.11
0.06
Sep
3.54
3.34
0.20
Oct
2.61
2.59
0.02
Nov
1.84
1.78
0.06
Dec
1.29
1.31
-0.02
35.66
35.50
0.16