Viewing Station: IA-DW-10 : Dundee 1.4 NNE
May 28, 2021 - Aug 18, 20261,850 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.11"
August 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
2.33"
Departure from Normal
2.78" : 219% of Normal
Year-To-Date: 38.21"
Jan 1 to Aug 18, 2026(229 of 230 days covered by obs)
NOAA Normal
25.78"
Departure from Normal
12.43" : 148% of Normal
Water Year-To-Date: 41.93"
Oct 1, 2025 to Aug 18, 2026(318 of 322 days covered by obs)
NOAA Normal
32.50"
Departure from Normal
9.43" : 129% 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