Viewing Station: MI-MR-16 : Ottawa Lake 1.4 SSW
Jun 9, 2017 - May 20, 20263,151 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.58"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.37"
Departure from Normal
-0.79" : 67% of Normal
Year-To-Date: 12.76"
Jan 1 to May 20, 2026(140 of 140 days covered by obs)
NOAA Normal
12.06"
Departure from Normal
0.70" : 106% of Normal
Water Year-To-Date: 16.99"
Oct 1, 2025 to May 20, 2026(232 of 232 days covered by obs)
NOAA Normal
19.57"
Departure from Normal
-2.58" : 87% 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