Viewing Station: IA-OS-6 : Sibley 6.1 NNE
Mar 22, 2025 - May 25, 202678 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.40"
May 1-25, 2026(6 of 25 days covered by obs)
NOAA Normal
3.35"
Departure from Normal
-0.95" : 72% of Normal
Year-To-Date: 6.21"
Jan 1 to May 25, 2026(18 of 145 days covered by obs)
NOAA Normal
9.55"
Departure from Normal
-3.34" : 65% of Normal
Water Year-To-Date: 7.89"
Oct 1, 2025 to May 25, 2026(23 of 237 days covered by obs)
NOAA Normal
14.27"
Departure from Normal
-6.38" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.74
0.73
0.01
Feb
0.82
0.83
-0.01
Mar
1.57
1.57
0.00
Apr
3.07
3.15
-0.08
May
4.15
4.05
0.10
Jun
4.86
4.80
0.06
Jul
3.68
3.42
0.26
Aug
3.52
3.43
0.09
Sep
3.16
3.24
-0.08
Oct
2.38
2.33
0.05
Nov
1.40
1.38
0.02
Dec
0.94
0.97
-0.03
30.29
29.90
0.39