Viewing Station: SD-DY-17 : Webster 9.8 NNE
Jul 23, 2018 - Mar 19, 20262,157 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.28"
March 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
-0.37" : 43% of Normal
Year-To-Date: 1.41"
Jan 1 to Mar 20, 2026(78 of 79 days covered by obs)
NOAA Normal
1.94"
Departure from Normal
-0.53" : 73% of Normal
Water Year-To-Date: 4.21"
Oct 1, 2025 to Mar 20, 2026(173 of 171 days covered by obs)
NOAA Normal
5.57"
Departure from Normal
-1.36" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.63
0.01
Feb
0.65
0.60
0.05
Mar
1.00
0.95
0.05
Apr
1.97
2.16
-0.19
May
3.10
2.94
0.16
Jun
3.89
3.78
0.11
Jul
3.80
3.89
-0.09
Aug
2.49
2.51
-0.02
Sep
2.45
2.39
0.06
Oct
2.23
2.20
0.03
Nov
0.72
0.70
0.02
Dec
0.68
0.71
-0.03
23.62
23.46
0.16