Viewing Station: SD-YN-17 : Yankton 4.1 SW
Jul 28, 2013 - May 18, 2026366 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.37"
May 1-18, 2026(1 of 18 days covered by obs)
NOAA Normal
2.17"
Departure from Normal
-1.80" : 17% of Normal
Year-To-Date: 1.12"
Jan 1 to May 18, 2026(5 of 138 days covered by obs)
NOAA Normal
8.29"
Departure from Normal
-7.17" : 14% of Normal
Water Year-To-Date: 1.43"
Oct 1, 2025 to May 18, 2026(6 of 230 days covered by obs)
NOAA Normal
12.75"
Departure from Normal
-11.32" : 11% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.60
0.56
0.04
Feb
0.82
0.80
0.02
Mar
1.51
1.50
0.01
Apr
3.19
3.16
0.03
May
3.73
3.79
-0.06
Jun
4.03
4.05
-0.02
Jul
3.24
3.20
0.04
Aug
3.19
3.14
0.05
Sep
2.87
2.88
-0.01
Oct
2.43
2.46
-0.03
Nov
1.17
1.12
0.05
Dec
0.86
0.86
0.00
27.64
27.52
0.12