Viewing Station: IA-PK-21 : Johnston 3.7 NNW
Jan 1, 2008 - May 12, 20266,123 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
May 1-13, 2026(1 of 13 days covered by obs)
NOAA Normal
2.11"
Departure from Normal
-2.11" : 0% of Normal
Year-To-Date: 0.01"
Jan 1 to May 13, 2026(2 of 133 days covered by obs)
NOAA Normal
10.02"
Departure from Normal
-10.01" : 0% of Normal
Water Year-To-Date: 0.02"
Oct 1, 2025 to May 13, 2026(10 of 225 days covered by obs)
NOAA Normal
15.66"
Departure from Normal
-15.64" : 0% 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