Viewing Station: IA-JH-64 : Iowa City 1.5 NNE
Apr 17, 2026 - May 20, 202634 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.77"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.99"
Departure from Normal
-1.22" : 59% of Normal
Year-To-Date: 3.15"
Jan 1 to May 20, 2026(34 of 140 days covered by obs)
NOAA Normal
11.31"
Departure from Normal
-8.16" : 28% of Normal
Water Year-To-Date: 3.15"
Oct 1, 2025 to May 20, 2026(34 of 232 days covered by obs)
NOAA Normal
17.97"
Departure from Normal
-14.82" : 18% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.16
-0.05
Feb
1.38
1.42
-0.04
Mar
2.17
2.27
-0.10
Apr
3.66
3.78
-0.12
May
4.63
4.68
-0.05
Jun
5.36
5.23
0.13
Jul
4.23
4.24
-0.01
Aug
4.27
4.11
0.16
Sep
3.62
3.38
0.24
Oct
2.91
2.94
-0.03
Nov
2.15
2.20
-0.05
Dec
1.60
1.62
-0.02
37.09
37.03
0.06