Viewing Station: SD-LW-27 : Spearfish 2.0 NW
Jun 10, 2019 - Aug 13, 2026295 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-10, 2026(0 of 10 days covered by obs)
NOAA Normal
0.51"
Departure from Normal
-0.51" : 0% of Normal
Year-To-Date: 3.80"
Jan 1 to Sep 10, 2026(13 of 253 days covered by obs)
NOAA Normal
17.30"
Departure from Normal
-13.50" : 22% of Normal
Water Year-To-Date: 5.63"
Oct 1, 2025 to Sep 10, 2026(16 of 345 days covered by obs)
NOAA Normal
21.03"
Departure from Normal
-15.40" : 27% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.67
0.61
0.06
Feb
0.89
0.93
-0.04
Mar
1.21
1.24
-0.03
Apr
2.38
2.37
0.01
May
3.98
3.93
0.05
Jun
3.54
3.57
-0.03
Jul
2.30
2.37
-0.07
Aug
1.82
1.89
-0.07
Sep
1.54
1.60
-0.06
Oct
2.07
2.21
-0.14
Nov
0.92
0.85
0.07
Dec
0.74
0.79
-0.05
22.06
22.36
-0.30