Viewing Station: SD-MH-85 : Sioux Falls 4.0 SE
Aug 29, 2015 - Sep 18, 20261,206 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.54"
September 1-18, 2026(11 of 18 days covered by obs)
NOAA Normal
1.79"
Departure from Normal
1.75" : 197% of Normal
Year-To-Date: 16.78"
Jan 1 to Sep 18, 2026(65 of 261 days covered by obs)
NOAA Normal
22.80"
Departure from Normal
-6.02" : 74% of Normal
Water Year-To-Date: 18.08"
Oct 1, 2025 to Sep 18, 2026(76 of 353 days covered by obs)
NOAA Normal
27.20"
Departure from Normal
-9.12" : 66% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.59
0.65
-0.06
Feb
0.82
0.83
-0.01
Mar
1.47
1.50
-0.03
Apr
2.92
2.99
-0.07
May
3.81
3.79
0.02
Jun
4.62
4.53
0.09
Jul
3.43
3.49
-0.06
Aug
3.35
3.39
-0.04
Sep
2.99
2.86
0.13
Oct
2.32
2.31
0.01
Nov
1.22
1.30
-0.08
Dec
0.86
0.90
-0.04
28.40
28.54
-0.14