Viewing Station: MI-WS-37 : Plymouth 6.3 W
Jan 4, 2015 - Sep 17, 20263,599 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.93"
September 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.73"
Departure from Normal
2.20" : 227% of Normal
Year-To-Date: 21.86"
Jan 1 to Sep 17, 2026(186 of 260 days covered by obs)
NOAA Normal
24.54"
Departure from Normal
-2.68" : 89% of Normal
Water Year-To-Date: 25.93"
Oct 1, 2025 to Sep 17, 2026(267 of 352 days covered by obs)
NOAA Normal
31.83"
Departure from Normal
-5.90" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.10
2.46
-0.36
Feb
1.78
2.02
-0.24
Mar
2.22
2.33
-0.11
Apr
3.06
3.12
-0.06
May
3.69
3.72
-0.03
Jun
3.44
3.61
-0.17
Jul
3.29
3.21
0.08
Aug
3.23
3.27
-0.04
Sep
3.05
2.99
0.06
Oct
2.79
2.81
-0.02
Nov
2.44
2.58
-0.14
Dec
2.06
2.26
-0.20
33.15
34.38
-1.23