Viewing Station: MI-WS-60 : Ann Arbor 3.8 WNW
Apr 3, 2022 - May 20, 2026911 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
May 1-20, 2026(6 of 20 days covered by obs)
NOAA Normal
2.39"
Departure from Normal
-1.70" : 29% of Normal
Year-To-Date: 7.80"
Jan 1 to May 20, 2026(35 of 140 days covered by obs)
NOAA Normal
11.64"
Departure from Normal
-3.84" : 67% of Normal
Water Year-To-Date: 9.93"
Oct 1, 2025 to May 20, 2026(72 of 232 days covered by obs)
NOAA Normal
18.92"
Departure from Normal
-8.99" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.10
2.63
-0.53
Feb
1.81
2.20
-0.39
Mar
2.23
2.45
-0.22
Apr
3.11
3.20
-0.09
May
3.71
3.72
-0.01
Jun
3.57
3.59
-0.02
Jul
3.23
3.28
-0.05
Aug
3.19
3.32
-0.13
Sep
2.91
2.94
-0.03
Oct
2.80
2.88
-0.08
Nov
2.46
2.65
-0.19
Dec
2.02
2.38
-0.36
33.14
35.24
-2.10