Viewing Station: IA-JH-20 : Coralville 1.4 S
Oct 4, 2017 - Mar 21, 20263,065 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.60"
March 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
1.46"
Departure from Normal
0.14" : 109% of Normal
Year-To-Date: 2.39"
Jan 1 to Mar 21, 2026(79 of 80 days covered by obs)
NOAA Normal
3.92"
Departure from Normal
-1.53" : 61% of Normal
Water Year-To-Date: 6.79"
Oct 1, 2025 to Mar 21, 2026(170 of 172 days covered by obs)
NOAA Normal
10.58"
Departure from Normal
-3.79" : 64% 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