Viewing Station: MI-GN-22 : Grand Blanc 2.9 SE
Apr 1, 2014 - Sep 15, 20252,934 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.48"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.48"
Departure from Normal
-1.00" : 32% of Normal
Year-To-Date: 22.59"
Jan 1 to Sep 15, 2025(258 of 258 days covered by obs)
NOAA Normal
24.01"
Departure from Normal
-1.42" : 94% of Normal
Water Year-To-Date: 27.64"
Oct 1, 2024 to Sep 15, 2025(349 of 350 days covered by obs)
NOAA Normal
31.38"
Departure from Normal
-3.74" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.13
2.11
0.02
Feb
1.75
1.63
0.12
Mar
1.98
1.94
0.04
Apr
3.15
3.07
0.08
May
3.70
3.67
0.03
Jun
3.40
3.31
0.09
Jul
3.26
3.47
-0.21
Aug
3.16
3.13
0.03
Sep
2.96
2.93
0.03
Oct
2.96
2.75
0.21
Nov
2.38
2.28
0.10
Dec
2.03
1.99
0.04
32.86
32.28
0.58