Viewing Station: SD-LW-37 : Spearfish 3.3 NW
Jul 18, 2026 - Sep 13, 202658 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.04"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
0.66"
Departure from Normal
-0.62" : 6% of Normal
Year-To-Date: 1.03"
Jan 1 to Sep 13, 2026(58 of 256 days covered by obs)
NOAA Normal
17.23"
Departure from Normal
-16.20" : 6% of Normal
Water Year-To-Date: 1.03"
Oct 1, 2025 to Sep 13, 2026(58 of 348 days covered by obs)
NOAA Normal
20.89"
Departure from Normal
-19.86" : 5% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.59
0.07
Feb
0.88
0.89
-0.01
Mar
1.16
1.21
-0.05
Apr
2.34
2.34
0.00
May
3.90
3.85
0.05
Jun
3.52
3.53
-0.01
Jul
2.30
2.33
-0.03
Aug
1.81
1.86
-0.05
Sep
1.52
1.58
-0.06
Oct
2.03
2.14
-0.11
Nov
0.91
0.81
0.10
Dec
0.72
0.74
-0.02
21.75
21.87
-0.12