Viewing Station: IA-WR-15 : Norwalk 1.7 SSE
Jul 13, 2009 - Sep 9, 20261,794 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.86"
September 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.05"
Departure from Normal
4.81" : 560% of Normal
Year-To-Date: 37.82"
Jan 1 to Sep 9, 2026(162 of 252 days covered by obs)
NOAA Normal
27.13"
Departure from Normal
10.69" : 139% of Normal
Water Year-To-Date: 37.82"
Oct 1, 2025 to Sep 9, 2026(162 of 344 days covered by obs)
NOAA Normal
32.82"
Departure from Normal
5.00" : 115% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.91
-0.03
Feb
1.17
1.25
-0.08
Mar
1.99
1.93
0.06
Apr
3.76
3.49
0.27
May
5.11
4.98
0.13
Jun
5.11
5.01
0.10
Jul
4.00
3.97
0.03
Aug
4.06
3.87
0.19
Sep
3.49
3.30
0.19
Oct
2.58
2.52
0.06
Nov
1.78
1.75
0.03
Dec
1.33
1.37
-0.04
35.26
34.35
0.91