Viewing Station: IA-WH-5 : Decorah 4.9SE
Jun 24, 2016 - Apr 20, 20263,488 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.35"
April 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
2.83"
Departure from Normal
3.52" : 225% of Normal
Year-To-Date: 10.86"
Jan 1 to Apr 21, 2026(110 of 111 days covered by obs)
NOAA Normal
7.13"
Departure from Normal
3.73" : 152% of Normal
Water Year-To-Date: 13.84"
Oct 1, 2025 to Apr 21, 2026(196 of 203 days covered by obs)
NOAA Normal
13.44"
Departure from Normal
0.40" : 103% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.12
1.02
0.10
Feb
1.21
1.09
0.12
Mar
1.97
1.90
0.07
Apr
4.04
3.92
0.12
May
4.87
4.72
0.15
Jun
5.96
6.00
-0.04
Jul
4.59
4.45
0.14
Aug
4.35
4.24
0.11
Sep
3.83
3.64
0.19
Oct
2.77
2.73
0.04
Nov
2.06
1.87
0.19
Dec
1.48
1.37
0.11
38.25
36.95
1.30