Viewing Station: IA-CD-7 : West Branch 2.0 NNW
Nov 3, 2018 - Sep 17, 2026497 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.52"
September 1-18, 2026(7 of 18 days covered by obs)
NOAA Normal
2.21"
Departure from Normal
1.31" : 159% of Normal
Year-To-Date: 29.10"
Jan 1 to Sep 18, 2026(68 of 261 days covered by obs)
NOAA Normal
29.14"
Departure from Normal
-0.04" : 100% of Normal
Water Year-To-Date: 30.84"
Oct 1, 2025 to Sep 18, 2026(76 of 353 days covered by obs)
NOAA Normal
35.91"
Departure from Normal
-5.07" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.16
1.22
-0.06
Feb
1.43
1.48
-0.05
Mar
2.24
2.26
-0.02
Apr
3.65
3.72
-0.07
May
4.77
4.69
0.08
Jun
5.26
5.20
0.06
Jul
4.26
4.23
0.03
Aug
4.16
4.09
0.07
Sep
3.69
3.48
0.21
Oct
2.98
2.91
0.07
Nov
2.14
2.17
-0.03
Dec
1.65
1.68
-0.03
37.39
37.13
0.26