Viewing Station: IA-LN-27 : Marion 1.7 NNW
Mar 27, 2015 - Sep 15, 20263,972 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.73"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.83"
Departure from Normal
0.90" : 149% of Normal
Year-To-Date: 32.41"
Jan 1 to Sep 15, 2026(258 of 258 days covered by obs)
NOAA Normal
28.72"
Departure from Normal
3.69" : 113% of Normal
Water Year-To-Date: 36.68"
Oct 1, 2025 to Sep 15, 2026(350 of 350 days covered by obs)
NOAA Normal
35.38"
Departure from Normal
1.30" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.05
1.16
-0.11
Feb
1.28
1.36
-0.08
Mar
2.02
2.08
-0.06
Apr
3.87
3.86
0.01
May
4.44
4.69
-0.25
Jun
5.64
5.68
-0.04
Jul
4.34
4.47
-0.13
Aug
4.25
4.34
-0.09
Sep
3.66
3.88
-0.22
Oct
2.93
3.00
-0.07
Nov
2.14
2.18
-0.04
Dec
1.59
1.65
-0.06
37.21
38.35
-1.14