Viewing Station: SD-UN-11 : Jefferson 2.1 WNW
Oct 5, 2017 - Sep 15, 20252,300 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.54"
Departure from Normal
-0.98" : 36% of Normal
Year-To-Date: 24.51"
Jan 1 to Sep 16, 2025(258 of 259 days covered by obs)
NOAA Normal
22.42"
Departure from Normal
2.09" : 109% of Normal
Water Year-To-Date: 27.53"
Oct 1, 2024 to Sep 16, 2025(346 of 351 days covered by obs)
NOAA Normal
26.87"
Departure from Normal
0.66" : 102% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.61
0.00
Feb
0.77
0.79
-0.02
Mar
1.52
1.59
-0.07
Apr
2.93
3.08
-0.15
May
3.93
4.12
-0.19
Jun
4.46
4.52
-0.06
Jul
3.26
3.38
-0.12
Aug
3.40
3.46
-0.06
Sep
2.89
2.96
-0.07
Oct
2.31
2.39
-0.08
Nov
1.24
1.28
-0.04
Dec
0.90
0.92
-0.02
28.22
29.10
-0.88