Viewing Station: MI-WS-59 : Ann Arbor 4.3 WSW
Oct 2, 2021 - Jul 20, 2026883 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.66"
July 1-21, 2026(19 of 21 days covered by obs)
NOAA Normal
2.23"
Departure from Normal
0.43" : 119% of Normal
Year-To-Date: 15.37"
Jan 1 to Jul 21, 2026(119 of 202 days covered by obs)
NOAA Normal
18.83"
Departure from Normal
-3.46" : 82% of Normal
Water Year-To-Date: 17.34"
Oct 1, 2025 to Jul 21, 2026(149 of 294 days covered by obs)
NOAA Normal
26.09"
Departure from Normal
-8.75" : 66% 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