Viewing Station: IA-BC-9 : Winthrop 5.6 NNE
Apr 12, 2018 - Dec 23, 20253,077 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.26"
December 1-23, 2025(23 of 23 days covered by obs)
NOAA Normal
1.21"
Departure from Normal
-0.95" : 21% of Normal
Year-To-Date: 39.65"
Jan 1 to Dec 23, 2025(356 of 357 days covered by obs)
NOAA Normal
37.40"
Departure from Normal
2.25" : 106% of Normal
Water Year-To-Date: 3.18"
Oct 1, 2025 to Dec 23, 2025(84 of 84 days covered by obs)
NOAA Normal
6.20"
Departure from Normal
-3.02" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.17
1.11
0.06
Feb
1.26
1.21
0.05
Mar
2.11
1.98
0.13
Apr
3.76
3.74
0.02
May
4.63
4.68
-0.05
Jun
5.86
5.81
0.05
Jul
4.62
4.89
-0.27
Aug
4.10
4.11
-0.01
Sep
3.69
3.63
0.06
Oct
2.91
2.85
0.06
Nov
2.08
2.02
0.06
Dec
1.63
1.53
0.10
37.82
37.56
0.26