Viewing Station: MN-SL-18 : Duluth 1.4 NNW
Sep 21, 2011 - May 21, 20262,946 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.47"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
2.16"
Departure from Normal
-0.69" : 68% of Normal
Year-To-Date: 11.46"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
7.88"
Departure from Normal
3.58" : 145% of Normal
Water Year-To-Date: 13.64"
Oct 1, 2025 to May 21, 2026(197 of 233 days covered by obs)
NOAA Normal
13.89"
Departure from Normal
-0.25" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.96
1.09
-0.13
Feb
0.89
0.99
-0.10
Mar
1.41
1.45
-0.04
Apr
2.46
2.54
-0.08
May
3.19
3.22
-0.03
Jun
4.29
4.23
0.06
Jul
3.96
3.79
0.17
Aug
3.57
3.72
-0.15
Sep
3.24
3.38
-0.14
Oct
2.93
3.01
-0.08
Nov
1.76
1.95
-0.19
Dec
1.32
1.39
-0.07
29.98
30.76
-0.78