Viewing Station: IA-PK-21 : Johnston 3.7 NNW
Jan 1, 2008 - May 5, 20256,103 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.01"
May 1-30, 2025(3 of 30 days covered by obs)
NOAA Normal
4.87"
Departure from Normal
-4.86" : 0% of Normal
Year-To-Date: 5.51"
Jan 1 to May 30, 2025(121 of 150 days covered by obs)
NOAA Normal
12.78"
Departure from Normal
-7.27" : 43% of Normal
Water Year-To-Date: 11.80"
Oct 1, 2024 to May 30, 2025(211 of 242 days covered by obs)
NOAA Normal
18.42"
Departure from Normal
-6.62" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.89
0.96
-0.07
Feb
1.09
1.22
-0.13
Mar
2.15
2.01
0.14
Apr
3.78
3.63
0.15
May
5.03
5.01
0.02
Jun
5.08
5.31
-0.23
Jul
4.07
4.05
0.02
Aug
4.09
3.99
0.10
Sep
3.38
3.41
-0.03
Oct
2.52
2.60
-0.08
Nov
1.82
1.80
0.02
Dec
1.30
1.41
-0.11
35.20
35.40
-0.20