Viewing Station: IA-JH-30 : Iowa City 1.5 ENE
Sep 13, 2020 - May 20, 202663 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.65"
May 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
3.03"
Departure from Normal
-1.38" : 54% of Normal
Year-To-Date: 4.10"
Jan 1 to May 20, 2026(31 of 140 days covered by obs)
NOAA Normal
11.42"
Departure from Normal
-7.32" : 36% of Normal
Water Year-To-Date: 4.10"
Oct 1, 2025 to May 20, 2026(31 of 232 days covered by obs)
NOAA Normal
18.08"
Departure from Normal
-13.98" : 23% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.16
-0.05
Feb
1.41
1.42
-0.01
Mar
2.23
2.28
-0.05
Apr
3.64
3.78
-0.14
May
4.70
4.68
0.02
Jun
5.30
5.22
0.08
Jul
4.19
4.24
-0.05
Aug
4.26
4.11
0.15
Sep
3.66
3.38
0.28
Oct
2.91
2.94
-0.03
Nov
2.15
2.20
-0.05
Dec
1.60
1.62
-0.02
37.16
37.03
0.13