Viewing Station: IA-JH-20 : Coralville 1.4 S
Oct 4, 2017 - May 25, 20263,132 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.66"
May 1-25, 2026(24 of 25 days covered by obs)
NOAA Normal
3.71"
Departure from Normal
-2.05" : 45% of Normal
Year-To-Date: 11.75"
Jan 1 to May 25, 2026(143 of 145 days covered by obs)
NOAA Normal
12.01"
Departure from Normal
-0.26" : 98% of Normal
Water Year-To-Date: 16.15"
Oct 1, 2025 to May 25, 2026(234 of 237 days covered by obs)
NOAA Normal
18.67"
Departure from Normal
-2.52" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.10
1.16
-0.06
Feb
1.36
1.41
-0.05
Mar
2.16
2.26
-0.10
Apr
3.68
3.77
-0.09
May
4.60
4.67
-0.07
Jun
5.38
5.23
0.15
Jul
4.24
4.23
0.01
Aug
4.30
4.11
0.19
Sep
3.63
3.39
0.24
Oct
2.92
2.93
-0.01
Nov
2.16
2.19
-0.03
Dec
1.58
1.62
-0.04
37.11
36.97
0.14