Viewing Station: SD-LW-26 : Spearfish 2.8 WNW
Apr 18, 2019 - Apr 2, 20262,250 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.01"
April 1-3, 2026(2 of 3 days covered by obs)
NOAA Normal
0.23"
Departure from Normal
-0.22" : 4% of Normal
Year-To-Date: 2.24"
Jan 1 to Apr 3, 2026(91 of 93 days covered by obs)
NOAA Normal
2.93"
Departure from Normal
-0.69" : 76% of Normal
Water Year-To-Date: 8.05"
Oct 1, 2025 to Apr 3, 2026(182 of 185 days covered by obs)
NOAA Normal
6.59"
Departure from Normal
1.46" : 122% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.62
0.04
Feb
0.88
0.94
-0.06
Mar
1.16
1.25
-0.09
Apr
2.34
2.38
-0.04
May
3.90
3.93
-0.03
Jun
3.52
3.57
-0.05
Jul
2.30
2.38
-0.08
Aug
1.81
1.89
-0.08
Sep
1.52
1.60
-0.08
Oct
2.03
2.21
-0.18
Nov
0.91
0.86
0.05
Dec
0.72
0.79
-0.07
21.75
22.42
-0.67