Viewing Station: IA-JH-20 : Coralville 1.4 S
Oct 4, 2017 - Jun 19, 20263,156 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.43"
June 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
3.41"
Departure from Normal
2.02" : 159% of Normal
Year-To-Date: 17.18"
Jan 1 to Jun 19, 2026(167 of 170 days covered by obs)
NOAA Normal
16.31"
Departure from Normal
0.87" : 105% of Normal
Water Year-To-Date: 21.58"
Oct 1, 2025 to Jun 19, 2026(258 of 262 days covered by obs)
NOAA Normal
22.97"
Departure from Normal
-1.39" : 94% 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