Viewing Station: IA-BC-9 : Winthrop 5.6 NNE
Apr 12, 2018 - Mar 21, 20263,177 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.71"
March 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
1.43"
Departure from Normal
1.28" : 190% of Normal
Year-To-Date: 4.82"
Jan 1 to Mar 21, 2026(80 of 80 days covered by obs)
NOAA Normal
3.86"
Departure from Normal
0.96" : 125% of Normal
Water Year-To-Date: 8.43"
Oct 1, 2025 to Mar 21, 2026(172 of 172 days covered by obs)
NOAA Normal
10.48"
Departure from Normal
-2.05" : 80% 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