Viewing Station: IA-WH-5 : Decorah 4.9SE
Jun 24, 2016 - May 25, 20263,519 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.04"
May 1-25, 2026(25 of 25 days covered by obs)
NOAA Normal
3.93"
Departure from Normal
-0.89" : 77% of Normal
Year-To-Date: 14.51"
Jan 1 to May 25, 2026(145 of 145 days covered by obs)
NOAA Normal
12.27"
Departure from Normal
2.24" : 118% of Normal
Water Year-To-Date: 17.49"
Oct 1, 2025 to May 25, 2026(231 of 237 days covered by obs)
NOAA Normal
18.58"
Departure from Normal
-1.09" : 94% 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