Viewing Station: SD-PN-40 : Rapid City 6.9 W
Apr 1, 2012 - Aug 27, 20244,148 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
May 1-18, 2026(0 of 18 days covered by obs)
NOAA Normal
2.35"
Departure from Normal
-2.35" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to May 18, 2026(0 of 138 days covered by obs)
NOAA Normal
6.41"
Departure from Normal
-6.41" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to May 18, 2026(0 of 230 days covered by obs)
NOAA Normal
8.79"
Departure from Normal
-8.79" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.32
0.40
-0.08
Feb
0.51
0.56
-0.05
Mar
1.03
1.09
-0.06
Apr
2.20
2.33
-0.13
May
4.05
4.09
-0.04
Jun
3.30
3.27
0.03
Jul
2.83
2.86
-0.03
Aug
1.96
2.18
-0.22
Sep
1.48
1.51
-0.03
Oct
1.52
1.65
-0.13
Nov
0.50
0.58
-0.08
Dec
0.36
0.44
-0.08
20.06
20.96
-0.90