Viewing Station: SD-PN-43 : Rapid City 3.9 S
Apr 18, 2012 - Sep 15, 20253,036 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.60"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
0.71"
Departure from Normal
-0.10" : 85% of Normal
Year-To-Date: 15.09"
Jan 1 to Sep 15, 2025(242 of 258 days covered by obs)
NOAA Normal
16.42"
Departure from Normal
-1.33" : 92% of Normal
Water Year-To-Date: 16.54"
Oct 1, 2024 to Sep 15, 2025(328 of 350 days covered by obs)
NOAA Normal
18.71"
Departure from Normal
-2.17" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.31
0.36
-0.05
Feb
0.50
0.52
-0.02
Mar
0.94
0.99
-0.05
Apr
2.11
2.19
-0.08
May
3.97
3.97
0.00
Jun
3.22
3.24
-0.02
Jul
2.75
2.70
0.05
Aug
1.92
2.11
-0.19
Sep
1.41
1.48
-0.07
Oct
1.46
1.57
-0.11
Nov
0.48
0.52
-0.04
Dec
0.35
0.39
-0.04
19.42
20.04
-0.62