Viewing Station: SD-LN-32 : Sioux Falls 3.6 SSE
Jan 1, 2020 - Sep 15, 20262,451 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.64"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.49"
Departure from Normal
1.15" : 177% of Normal
Year-To-Date: 17.80"
Jan 1 to Sep 15, 2026(257 of 258 days covered by obs)
NOAA Normal
22.57"
Departure from Normal
-4.77" : 79% of Normal
Water Year-To-Date: 20.89"
Oct 1, 2025 to Sep 15, 2026(349 of 350 days covered by obs)
NOAA Normal
26.97"
Departure from Normal
-6.08" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.59
0.64
-0.05
Feb
0.83
0.82
0.01
Mar
1.47
1.49
-0.02
Apr
2.94
2.99
-0.05
May
3.86
3.79
0.07
Jun
4.63
4.50
0.13
Jul
3.40
3.46
-0.06
Aug
3.35
3.38
-0.03
Sep
2.99
2.85
0.14
Oct
2.32
2.30
0.02
Nov
1.22
1.29
-0.07
Dec
0.86
0.89
-0.03
28.46
28.40
0.06