Viewing Station: IA-WH-1 : Decorah 7.9 ENE
Aug 1, 2007 - May 8, 20256,436 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.10"
May 1-8, 2025(8 of 8 days covered by obs)
NOAA Normal
1.22"
Departure from Normal
-0.12" : 90% of Normal
Year-To-Date: 10.38"
Jan 1 to May 8, 2025(127 of 128 days covered by obs)
NOAA Normal
9.47"
Departure from Normal
0.91" : 110% of Normal
Water Year-To-Date: 17.35"
Oct 1, 2024 to May 8, 2025(219 of 220 days covered by obs)
NOAA Normal
15.63"
Departure from Normal
1.72" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.02
0.09
Feb
1.18
1.05
0.13
Mar
1.91
1.81
0.10
Apr
4.05
3.82
0.23
May
4.72
4.66
0.06
Jun
5.78
5.93
-0.15
Jul
4.52
4.35
0.17
Aug
4.29
4.18
0.11
Sep
3.75
3.56
0.19
Oct
2.71
2.69
0.02
Nov
2.01
1.80
0.21
Dec
1.44
1.32
0.12
37.47
36.19
1.28