Viewing Station: IA-IA-2 : Marengo 2.6 SSW
Mar 10, 2010 - Sep 13, 20254,474 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.14"
September 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
1.52"
Departure from Normal
-1.38" : 9% of Normal
Year-To-Date: 25.16"
Jan 1 to Sep 13, 2025(253 of 256 days covered by obs)
NOAA Normal
27.72"
Departure from Normal
-2.56" : 91% of Normal
Water Year-To-Date: 33.52"
Oct 1, 2024 to Sep 13, 2025(345 of 348 days covered by obs)
NOAA Normal
34.17"
Departure from Normal
-0.65" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.06
1.12
-0.06
Feb
1.25
1.34
-0.09
Mar
2.03
2.12
-0.09
Apr
3.69
3.63
0.06
May
4.61
4.75
-0.14
Jun
5.24
5.05
0.19
Jul
4.18
4.20
-0.02
Aug
4.14
4.21
-0.07
Sep
3.50
3.53
-0.03
Oct
2.89
2.80
0.09
Nov
2.08
2.09
-0.01
Dec
1.48
1.59
-0.11
36.15
36.43
-0.28