Viewing Station: MI-DC-6 : Iron Mountain 1.1 W
Mar 9, 2021 - May 20, 20261,877 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.64"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.05"
Departure from Normal
-1.41" : 31% of Normal
Year-To-Date: 15.05"
Jan 1 to May 20, 2026(140 of 140 days covered by obs)
NOAA Normal
8.16"
Departure from Normal
6.89" : 185% of Normal
Water Year-To-Date: 19.56"
Oct 1, 2025 to May 20, 2026(231 of 232 days covered by obs)
NOAA Normal
14.45"
Departure from Normal
5.11" : 135% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.10
1.28
-0.18
Feb
0.97
1.13
-0.16
Mar
1.48
1.57
-0.09
Apr
2.56
2.64
-0.08
May
3.17
2.93
0.24
Jun
3.46
3.36
0.10
Jul
3.43
3.20
0.23
Aug
3.01
2.87
0.14
Sep
3.27
3.19
0.08
Oct
3.04
3.28
-0.24
Nov
1.84
1.84
0.00
Dec
1.41
1.65
-0.24
28.74
28.94
-0.20