Viewing Station: SD-DY-10 : Webster 7.8 SSW
May 20, 2013 - Sep 18, 20261,455 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.92"
September 1-18, 2026(4 of 18 days covered by obs)
NOAA Normal
1.46"
Departure from Normal
0.46" : 132% of Normal
Year-To-Date: 12.92"
Jan 1 to Sep 18, 2026(32 of 261 days covered by obs)
NOAA Normal
19.26"
Departure from Normal
-6.34" : 67% of Normal
Water Year-To-Date: 13.55"
Oct 1, 2025 to Sep 18, 2026(36 of 353 days covered by obs)
NOAA Normal
22.92"
Departure from Normal
-9.37" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.63
0.66
-0.03
Feb
0.66
0.64
0.02
Mar
1.07
1.03
0.04
Apr
2.11
2.23
-0.12
May
3.15
3.11
0.04
Jun
3.88
3.89
-0.01
Jul
3.70
3.72
-0.02
Aug
2.60
2.64
-0.04
Sep
2.43
2.47
-0.04
Oct
2.23
2.25
-0.02
Nov
0.74
0.70
0.04
Dec
0.69
0.73
-0.04
23.89
24.07
-0.18