Viewing Station: MI-WS-59 : Ann Arbor 4.3 WSW
Oct 2, 2021 - Sep 9, 2026919 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.44"
September 1-9, 2026(8 of 9 days covered by obs)
NOAA Normal
0.86"
Departure from Normal
1.58" : 282% of Normal
Year-To-Date: 20.37"
Jan 1 to Sep 9, 2026(156 of 252 days covered by obs)
NOAA Normal
23.99"
Departure from Normal
-3.62" : 85% of Normal
Water Year-To-Date: 22.34"
Oct 1, 2025 to Sep 9, 2026(186 of 344 days covered by obs)
NOAA Normal
31.25"
Departure from Normal
-8.91" : 71% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.10
2.60
-0.50
Feb
1.84
2.18
-0.34
Mar
2.27
2.44
-0.17
Apr
3.17
3.18
-0.01
May
3.69
3.69
0.00
Jun
3.53
3.54
-0.01
Jul
3.29
3.24
0.05
Aug
3.24
3.30
-0.06
Sep
2.88
2.91
-0.03
Oct
2.78
2.86
-0.08
Nov
2.48
2.65
-0.17
Dec
2.00
2.35
-0.35
33.27
34.94
-1.67