Viewing Station: MI-GN-22 : Grand Blanc 2.9 SE
Apr 1, 2014 - May 20, 20263,124 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.67"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.39"
Departure from Normal
-1.72" : 28% of Normal
Year-To-Date: 9.02"
Jan 1 to May 20, 2026(140 of 140 days covered by obs)
NOAA Normal
11.40"
Departure from Normal
-2.38" : 79% of Normal
Water Year-To-Date: 15.95"
Oct 1, 2025 to May 20, 2026(231 of 232 days covered by obs)
NOAA Normal
18.77"
Departure from Normal
-2.82" : 85% 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