Viewing Station: IA-CT-11 : Monona 0.2 WNW
Sep 24, 2023 - Sep 15, 2025688 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.68"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
2.03"
Departure from Normal
-1.35" : 33% of Normal
Year-To-Date: 23.61"
Jan 1 to Sep 15, 2025(258 of 258 days covered by obs)
NOAA Normal
30.26"
Departure from Normal
-6.65" : 78% of Normal
Water Year-To-Date: 31.49"
Oct 1, 2024 to Sep 15, 2025(350 of 350 days covered by obs)
NOAA Normal
36.77"
Departure from Normal
-5.28" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.17
1.14
0.03
Feb
1.23
1.19
0.04
Mar
2.04
2.07
-0.03
Apr
3.99
4.03
-0.04
May
4.89
4.83
0.06
Jun
5.99
5.84
0.15
Jul
4.63
4.58
0.05
Aug
4.29
4.21
0.08
Sep
4.06
3.84
0.22
Oct
2.85
2.86
-0.01
Nov
2.12
2.02
0.10
Dec
1.54
1.50
0.04
38.80
38.11
0.69