Viewing Station: MI-WS-41 : Ann Arbor 7.1 W
May 13, 2016 - Oct 12, 20253,212 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.31"
October 1-13, 2025(12 of 13 days covered by obs)
NOAA Normal
1.18"
Departure from Normal
-0.87" : 26% of Normal
Year-To-Date: 29.25"
Jan 1 to Oct 13, 2025(278 of 286 days covered by obs)
NOAA Normal
27.13"
Departure from Normal
2.12" : 108% of Normal
Water Year-To-Date: 0.31"
Oct 1, 2025 to Oct 13, 2025(12 of 13 days covered by obs)
NOAA Normal
1.18"
Departure from Normal
-0.87" : 26% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.11
2.53
-0.42
Feb
1.81
2.10
-0.29
Mar
2.25
2.36
-0.11
Apr
3.14
3.14
0.00
May
3.72
3.76
-0.04
Jun
3.56
3.56
0.00
Jul
3.27
3.25
0.02
Aug
3.22
3.33
-0.11
Sep
2.87
2.91
-0.04
Oct
2.81
2.89
-0.08
Nov
2.48
2.63
-0.15
Dec
2.01
2.26
-0.25
33.25
34.72
-1.47