Viewing Station: IA-PK-97 : Ankeny 1.5 NNE
Aug 22, 2018 - Aug 18, 20262,901 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.47"
August 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
2.42"
Departure from Normal
2.05" : 185% of Normal
Year-To-Date: 40.27"
Jan 1 to Aug 18, 2026(229 of 230 days covered by obs)
NOAA Normal
24.63"
Departure from Normal
15.64" : 163% of Normal
Water Year-To-Date: 45.61"
Oct 1, 2025 to Aug 18, 2026(321 of 322 days covered by obs)
NOAA Normal
30.37"
Departure from Normal
15.24" : 150% 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