Viewing Station: SD-UN-11 : Jefferson 2.1 WNW
Oct 5, 2017 - Aug 24, 20262,642 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.99"
August 1-25, 2026(24 of 25 days covered by obs)
NOAA Normal
2.74"
Departure from Normal
-0.75" : 73% of Normal
Year-To-Date: 14.47"
Jan 1 to Aug 25, 2026(236 of 237 days covered by obs)
NOAA Normal
20.22"
Departure from Normal
-5.75" : 72% of Normal
Water Year-To-Date: 16.32"
Oct 1, 2025 to Aug 25, 2026(327 of 329 days covered by obs)
NOAA Normal
24.67"
Departure from Normal
-8.35" : 66% 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