Viewing Station: IA-JH-63 : Iowa City 3.5 E
Dec 17, 2024 - Sep 17, 2026527 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.19"
September 1-18, 2026(17 of 18 days covered by obs)
NOAA Normal
2.20"
Departure from Normal
1.99" : 191% of Normal
Year-To-Date: 31.46"
Jan 1 to Sep 18, 2026(221 of 261 days covered by obs)
NOAA Normal
28.98"
Departure from Normal
2.48" : 109% of Normal
Water Year-To-Date: 33.36"
Oct 1, 2025 to Sep 18, 2026(292 of 353 days covered by obs)
NOAA Normal
35.66"
Departure from Normal
-2.30" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.12
1.17
-0.05
Feb
1.41
1.43
-0.02
Mar
2.24
2.28
-0.04
Apr
3.62
3.77
-0.15
May
4.73
4.70
0.03
Jun
5.24
5.22
0.02
Jul
4.20
4.24
-0.04
Aug
4.22
4.11
0.11
Sep
3.66
3.39
0.27
Oct
2.92
2.93
-0.01
Nov
2.14
2.20
-0.06
Dec
1.62
1.63
-0.01
37.12
37.07
0.05