Viewing Station: SD-LW-24 : Spearfish 6.7 NNW
Feb 5, 2018 - May 8, 20252,596 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.42"
May 1-8, 2025(8 of 8 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
-0.55" : 43% of Normal
Year-To-Date: 5.05"
Jan 1 to May 8, 2025(124 of 128 days covered by obs)
NOAA Normal
5.65"
Departure from Normal
-0.60" : 89% of Normal
Water Year-To-Date: 7.42"
Oct 1, 2024 to May 8, 2025(213 of 220 days covered by obs)
NOAA Normal
9.04"
Departure from Normal
-1.62" : 82% 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