Viewing Station: MI-WS-58 : Ann Arbor 6.4 NNE
Jul 5, 2021 - Sep 12, 20251,288 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.46"
September 1-14, 2025(12 of 14 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-0.94" : 33% of Normal
Year-To-Date: 26.69"
Jan 1 to Sep 14, 2025(245 of 257 days covered by obs)
NOAA Normal
24.39"
Departure from Normal
2.30" : 109% of Normal
Water Year-To-Date: 33.30"
Oct 1, 2024 to Sep 14, 2025(336 of 349 days covered by obs)
NOAA Normal
31.75"
Departure from Normal
1.55" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.12
2.54
-0.42
Feb
1.80
2.11
-0.31
Mar
2.24
2.40
-0.16
Apr
3.08
3.20
-0.12
May
3.72
3.72
0.00
Jun
3.55
3.63
-0.08
Jul
3.27
3.29
-0.02
Aug
3.21
3.31
-0.10
Sep
3.01
2.97
0.04
Oct
2.82
2.83
-0.01
Nov
2.46
2.60
-0.14
Dec
2.08
2.37
-0.29
33.36
34.97
-1.61