Viewing Station: SD-MH-56 : Garretson 6.9 W
Mar 26, 2012 - Sep 17, 20254,718 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.46"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
1.78"
Departure from Normal
-1.32" : 26% of Normal
Year-To-Date: 17.15"
Jan 1 to Sep 18, 2025(260 of 261 days covered by obs)
NOAA Normal
22.21"
Departure from Normal
-5.06" : 77% of Normal
Water Year-To-Date: 20.14"
Oct 1, 2024 to Sep 18, 2025(352 of 353 days covered by obs)
NOAA Normal
26.36"
Departure from Normal
-6.22" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.56
0.60
-0.04
Feb
0.76
0.78
-0.02
Mar
1.42
1.42
0.00
Apr
2.78
2.90
-0.12
May
3.65
3.70
-0.05
Jun
4.48
4.43
0.05
Jul
3.40
3.39
0.01
Aug
3.38
3.40
-0.02
Sep
2.96
2.97
-0.01
Oct
2.20
2.20
0.00
Nov
1.14
1.19
-0.05
Dec
0.81
0.87
-0.06
27.54
27.85
-0.31