Viewing Station: IA-MH-15 : Oskaloosa 3.7 SSE
Apr 21, 2025 - Sep 14, 202691 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.67"
September 1-14, 2026(2 of 14 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
2.07" : 230% of Normal
Year-To-Date: 22.84"
Jan 1 to Sep 14, 2026(44 of 257 days covered by obs)
NOAA Normal
28.17"
Departure from Normal
-5.33" : 81% of Normal
Water Year-To-Date: 24.30"
Oct 1, 2025 to Sep 14, 2026(53 of 349 days covered by obs)
NOAA Normal
34.45"
Departure from Normal
-10.15" : 71% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.14
1.16
-0.02
Feb
1.46
1.48
-0.02
Mar
2.09
2.08
0.01
Apr
3.72
3.69
0.03
May
4.73
4.91
-0.18
Jun
5.05
5.02
0.03
Jul
4.09
4.01
0.08
Aug
4.29
4.26
0.03
Sep
3.42
3.41
0.01
Oct
2.79
2.77
0.02
Nov
2.04
2.17
-0.13
Dec
1.45
1.47
-0.02
36.27
36.43
-0.16