Viewing Station: SD-YN-11 : Yankton 1.7 NNE
Mar 28, 2012 - Sep 13, 2026993 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.15"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.26"
Departure from Normal
-0.11" : 92% of Normal
Year-To-Date: 6.94"
Jan 1 to Sep 13, 2026(81 of 256 days covered by obs)
NOAA Normal
21.50"
Departure from Normal
-14.56" : 32% of Normal
Water Year-To-Date: 6.94"
Oct 1, 2025 to Sep 13, 2026(81 of 348 days covered by obs)
NOAA Normal
25.95"
Departure from Normal
-19.01" : 27% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.59
0.56
0.03
Feb
0.80
0.78
0.02
Mar
1.49
1.48
0.01
Apr
3.16
3.10
0.06
May
3.65
3.74
-0.09
Jun
4.03
4.06
-0.03
Jul
3.25
3.22
0.03
Aug
3.27
3.18
0.09
Sep
2.90
2.85
0.05
Oct
2.40
2.43
-0.03
Nov
1.19
1.14
0.05
Dec
0.86
0.84
0.02
27.59
27.38
0.21