Viewing Station: IA-DW-10 : Dundee 1.4 NNE
May 28, 2021 - Sep 14, 20261,877 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.22"
September 1-14, 2026(14 of 14 days covered by obs)
NOAA Normal
1.76"
Departure from Normal
-0.54" : 69% of Normal
Year-To-Date: 39.85"
Jan 1 to Sep 14, 2026(256 of 257 days covered by obs)
NOAA Normal
29.23"
Departure from Normal
10.62" : 136% of Normal
Water Year-To-Date: 43.57"
Oct 1, 2025 to Sep 14, 2026(345 of 349 days covered by obs)
NOAA Normal
35.95"
Departure from Normal
7.62" : 121% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.20
1.14
0.06
Feb
1.28
1.29
-0.01
Mar
2.16
2.10
0.06
Apr
3.86
3.97
-0.11
May
4.57
4.86
-0.29
Jun
5.80
5.89
-0.09
Jul
4.58
4.97
-0.39
Aug
4.02
3.92
0.10
Sep
3.77
3.68
0.09
Oct
2.92
2.97
-0.05
Nov
2.13
2.19
-0.06
Dec
1.67
1.63
0.04
37.96
38.61
-0.65