Viewing Station: SD-PN-65 : Rapid City 2.1 NW
Jun 21, 2017 - Sep 15, 20252,827 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.75"
Departure from Normal
-0.19" : 74% of Normal
Year-To-Date: 16.51"
Jan 1 to Sep 16, 2025(258 of 259 days covered by obs)
NOAA Normal
16.08"
Departure from Normal
0.43" : 103% of Normal
Water Year-To-Date: 18.24"
Oct 1, 2024 to Sep 16, 2025(350 of 351 days covered by obs)
NOAA Normal
18.35"
Departure from Normal
-0.11" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.28
0.34
-0.06
Feb
0.46
0.47
-0.01
Mar
0.94
0.91
0.03
Apr
2.07
2.07
0.00
May
3.95
3.95
0.00
Jun
3.16
3.04
0.12
Jul
2.65
2.50
0.15
Aug
1.82
1.99
-0.17
Sep
1.41
1.46
-0.05
Oct
1.47
1.54
-0.07
Nov
0.47
0.48
-0.01
Dec
0.33
0.35
-0.02
19.01
19.10
-0.09