Viewing Station: SD-YN-26 : Yankton 9.1 W
Aug 5, 2023 - Sep 13, 2026718 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.74"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.27"
Departure from Normal
0.47" : 137% of Normal
Year-To-Date: 11.36"
Jan 1 to Sep 13, 2026(120 of 256 days covered by obs)
NOAA Normal
21.69"
Departure from Normal
-10.33" : 52% of Normal
Water Year-To-Date: 12.99"
Oct 1, 2025 to Sep 13, 2026(160 of 348 days covered by obs)
NOAA Normal
26.17"
Departure from Normal
-13.18" : 50% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.62
0.56
0.06
Feb
0.83
0.81
0.02
Mar
1.51
1.47
0.04
Apr
3.17
3.13
0.04
May
3.81
3.89
-0.08
Jun
4.03
4.03
0.00
Jul
3.22
3.18
0.04
Aug
3.23
3.20
0.03
Sep
2.94
2.86
0.08
Oct
2.47
2.43
0.04
Nov
1.15
1.10
0.05
Dec
0.86
0.84
0.02
27.84
27.50
0.34