Viewing Station: MI-MR-16 : Ottawa Lake 1.4 SSW
Jun 9, 2017 - Sep 13, 20252,923 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.49"
September 1-14, 2025(13 of 14 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-0.91" : 35% of Normal
Year-To-Date: 22.61"
Jan 1 to Sep 14, 2025(256 of 257 days covered by obs)
NOAA Normal
24.77"
Departure from Normal
-2.16" : 91% of Normal
Water Year-To-Date: 29.73"
Oct 1, 2024 to Sep 14, 2025(348 of 349 days covered by obs)
NOAA Normal
32.28"
Departure from Normal
-2.55" : 92% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.14
2.35
-0.21
Feb
1.97
2.04
-0.07
Mar
2.32
2.41
-0.09
Apr
3.26
3.25
0.01
May
3.67
3.85
-0.18
Jun
3.52
3.58
-0.06
Jul
3.32
3.23
0.09
Aug
3.17
3.38
-0.21
Sep
3.01
2.97
0.04
Oct
2.73
2.73
0.00
Nov
2.60
2.74
-0.14
Dec
2.18
2.23
-0.05
33.89
34.76
-0.87