Viewing Station: SD-YN-24 : Yankton 8.1 W
May 8, 2022 - Sep 13, 2026901 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.31"
September 1-13, 2026(12 of 13 days covered by obs)
NOAA Normal
1.27"
Departure from Normal
0.04" : 103% of Normal
Year-To-Date: 12.44"
Jan 1 to Sep 13, 2026(224 of 256 days covered by obs)
NOAA Normal
21.69"
Departure from Normal
-9.25" : 57% of Normal
Water Year-To-Date: 15.03"
Oct 1, 2025 to Sep 13, 2026(313 of 348 days covered by obs)
NOAA Normal
26.17"
Departure from Normal
-11.14" : 57% 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
1.48
0.03
Apr
3.17
3.14
0.03
May
3.81
3.88
-0.07
Jun
4.03
4.04
-0.01
Jul
3.22
3.19
0.03
Aug
3.23
3.19
0.04
Sep
2.94
2.87
0.07
Oct
2.47
2.44
0.03
Nov
1.15
1.11
0.04
Dec
0.86
0.85
0.01
27.84
27.56
0.28