Viewing Station: IA-OS-3 : Ocheyedan 0.1 SE
Jul 13, 2023 - Sep 18, 2026205 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.87"
September 1-18, 2026(10 of 18 days covered by obs)
NOAA Normal
1.88"
Departure from Normal
2.99" : 259% of Normal
Year-To-Date: 19.44"
Jan 1 to Sep 18, 2026(51 of 261 days covered by obs)
NOAA Normal
24.44"
Departure from Normal
-5.00" : 80% of Normal
Water Year-To-Date: 21.48"
Oct 1, 2025 to Sep 18, 2026(57 of 353 days covered by obs)
NOAA Normal
29.14"
Departure from Normal
-7.66" : 74% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.72
0.71
0.01
Feb
0.80
0.81
-0.01
Mar
1.58
1.62
-0.04
Apr
3.16
3.20
-0.04
May
4.22
4.35
-0.13
Jun
4.84
4.81
0.03
Jul
3.66
3.51
0.15
Aug
3.58
3.59
-0.01
Sep
3.13
3.17
-0.04
Oct
2.37
2.34
0.03
Nov
1.41
1.39
0.02
Dec
0.92
0.99
-0.07
30.39
30.49
-0.10