Viewing Station: IA-WH-1 : Decorah 7.9 ENE
Aug 1, 2007 - Jul 20, 20266,882 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 3.92"
July 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
3.06"
Departure from Normal
0.86" : 128% of Normal
Year-To-Date: 24.66"
Jan 1 to Jul 21, 2026(201 of 202 days covered by obs)
NOAA Normal
21.81"
Departure from Normal
2.85" : 113% of Normal
Water Year-To-Date: 28.55"
Oct 1, 2025 to Jul 21, 2026(293 of 294 days covered by obs)
NOAA Normal
27.97"
Departure from Normal
0.58" : 102% 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