Viewing Station: IA-AL-6 : Postville 5.5 NE
Sep 19, 2018 - Sep 9, 20262,881 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.16"
September 1-9, 2026(8 of 9 days covered by obs)
NOAA Normal
1.18"
Departure from Normal
0.98" : 184% of Normal
Year-To-Date: 31.18"
Jan 1 to Sep 9, 2026(249 of 252 days covered by obs)
NOAA Normal
29.11"
Departure from Normal
2.07" : 107% of Normal
Water Year-To-Date: 35.22"
Oct 1, 2025 to Sep 9, 2026(341 of 344 days covered by obs)
NOAA Normal
35.58"
Departure from Normal
-0.36" : 99% 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