Viewing Station: SD-MH-91 : Garretson 1.7 WSW
Jun 14, 2017 - Sep 13, 20263,328 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.75"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.28"
Departure from Normal
2.47" : 292% of Normal
Year-To-Date: 18.16"
Jan 1 to Sep 13, 2026(253 of 256 days covered by obs)
NOAA Normal
21.84"
Departure from Normal
-3.68" : 83% of Normal
Water Year-To-Date: 21.37"
Oct 1, 2025 to Sep 13, 2026(344 of 348 days covered by obs)
NOAA Normal
26.04"
Departure from Normal
-4.67" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.59
0.63
-0.04
Feb
0.77
0.79
-0.02
Mar
1.40
1.44
-0.04
Apr
2.78
2.90
-0.12
May
3.68
3.72
-0.04
Jun
4.59
4.54
0.05
Jul
3.45
3.44
0.01
Aug
3.30
3.40
-0.10
Sep
2.96
3.01
-0.05
Oct
2.22
2.23
-0.01
Nov
1.17
1.24
-0.07
Dec
0.81
0.89
-0.08
27.72
28.23
-0.51