Viewing Station: SD-LW-24 : Spearfish 6.7 NNW
Feb 5, 2018 - Mar 18, 20262,904 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.95"
March 1-19, 2026(18 of 19 days covered by obs)
NOAA Normal
0.64"
Departure from Normal
0.31" : 148% of Normal
Year-To-Date: 1.13"
Jan 1 to Mar 19, 2026(77 of 78 days covered by obs)
NOAA Normal
2.04"
Departure from Normal
-0.91" : 55% of Normal
Water Year-To-Date: 5.81"
Oct 1, 2025 to Mar 19, 2026(167 of 170 days covered by obs)
NOAA Normal
5.43"
Departure from Normal
0.38" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.60
0.54
0.06
Feb
0.80
0.75
0.05
Mar
1.05
1.11
-0.06
Apr
2.23
2.19
0.04
May
3.77
3.51
0.26
Jun
3.40
3.28
0.12
Jul
2.26
2.17
0.09
Aug
1.74
1.73
0.01
Sep
1.44
1.44
0.00
Oct
1.90
1.85
0.05
Nov
0.83
0.71
0.12
Dec
0.66
0.66
0.00
20.68
19.94
0.74