Viewing Station: SD-PN-56 : Rapid City 9.6 WNW
Apr 21, 2014 - Sep 15, 20253,771 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.88"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.82"
Departure from Normal
0.06" : 107% of Normal
Year-To-Date: 18.97"
Jan 1 to Sep 16, 2025(258 of 259 days covered by obs)
NOAA Normal
17.55"
Departure from Normal
1.42" : 108% of Normal
Water Year-To-Date: 20.73"
Oct 1, 2024 to Sep 16, 2025(348 of 351 days covered by obs)
NOAA Normal
20.12"
Departure from Normal
0.61" : 103% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.38
0.40
-0.02
Feb
0.57
0.55
0.02
Mar
1.09
1.13
-0.04
Apr
2.28
2.35
-0.07
May
4.12
4.12
0.00
Jun
3.34
3.30
0.04
Jul
2.90
2.88
0.02
Aug
2.05
2.17
-0.12
Sep
1.54
1.46
0.08
Oct
1.59
1.66
-0.07
Nov
0.56
0.59
-0.03
Dec
0.42
0.45
-0.03
20.84
21.06
-0.22