Viewing Station: IA-AL-6 : Postville 5.5 NE
Sep 19, 2018 - Apr 11, 20262,732 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.16"
April 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
1.45"
Departure from Normal
2.71" : 287% of Normal
Year-To-Date: 9.70"
Jan 1 to Apr 11, 2026(100 of 101 days covered by obs)
NOAA Normal
5.79"
Departure from Normal
3.91" : 168% of Normal
Water Year-To-Date: 13.74"
Oct 1, 2025 to Apr 11, 2026(192 of 193 days covered by obs)
NOAA Normal
12.26"
Departure from Normal
1.48" : 112% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.13
1.08
0.05
Feb
1.25
1.17
0.08
Mar
1.96
2.08
-0.12
Apr
3.95
4.03
-0.08
May
4.98
4.83
0.15
Jun
5.87
5.78
0.09
Jul
4.54
4.53
0.01
Aug
4.25
4.18
0.07
Sep
3.92
3.83
0.09
Oct
2.83
2.84
-0.01
Nov
2.11
1.97
0.14
Dec
1.53
1.45
0.08
38.32
37.77
0.55