Viewing Station: SD-PN-71 : Rapid City 3.4 WNW
Jul 18, 2019 - Sep 18, 2025369 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.93"
September 1-18, 2025(4 of 18 days covered by obs)
NOAA Normal
0.86"
Departure from Normal
0.07" : 108% of Normal
Year-To-Date: 14.40"
Jan 1 to Sep 18, 2025(55 of 261 days covered by obs)
NOAA Normal
16.45"
Departure from Normal
-2.05" : 88% of Normal
Water Year-To-Date: 14.86"
Oct 1, 2024 to Sep 18, 2025(56 of 353 days covered by obs)
NOAA Normal
18.73"
Departure from Normal
-3.87" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.29
0.36
-0.07
Feb
0.47
0.51
-0.04
Mar
0.96
0.95
0.01
Apr
2.11
2.17
-0.06
May
3.99
3.98
0.01
Jun
3.19
3.08
0.11
Jul
2.71
2.60
0.11
Aug
1.87
2.06
-0.19
Sep
1.44
1.50
-0.06
Oct
1.48
1.59
-0.11
Nov
0.47
0.51
-0.04
Dec
0.33
0.38
-0.05
19.31
19.69
-0.38