Viewing Station: SD-LW-15 : Spearfish 0.1 WSW
May 11, 2011 - May 8, 20254,912 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.85"
May 1-8, 2025(8 of 8 days covered by obs)
NOAA Normal
1.08"
Departure from Normal
-0.23" : 79% of Normal
Year-To-Date: 8.67"
Jan 1 to May 8, 2025(126 of 128 days covered by obs)
NOAA Normal
7.00"
Departure from Normal
1.67" : 124% of Normal
Water Year-To-Date: 13.20"
Oct 1, 2024 to May 8, 2025(212 of 220 days covered by obs)
NOAA Normal
11.20"
Departure from Normal
2.00" : 118% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.83
0.70
0.13
Feb
1.07
1.00
0.07
Mar
1.41
1.34
0.07
Apr
2.61
2.51
0.10
May
4.19
4.01
0.18
Jun
3.67
3.61
0.06
Jul
2.40
2.46
-0.06
Aug
1.92
1.92
0.00
Sep
1.64
1.62
0.02
Oct
2.27
2.28
-0.01
Nov
1.05
0.93
0.12
Dec
0.88
0.93
-0.05
23.94
23.31
0.63