Viewing Station: SD-PN-87 : Rapid City 9.5 WNW
Mar 16, 2023 - May 12, 20261,008 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.18"
May 1-12, 2026(12 of 12 days covered by obs)
NOAA Normal
1.59"
Departure from Normal
-1.41" : 11% of Normal
Year-To-Date: 2.68"
Jan 1 to May 12, 2026(130 of 132 days covered by obs)
NOAA Normal
5.91"
Departure from Normal
-3.23" : 45% of Normal
Water Year-To-Date: 5.76"
Oct 1, 2025 to May 12, 2026(214 of 224 days covered by obs)
NOAA Normal
8.48"
Departure from Normal
-2.72" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.38
0.40
-0.02
Feb
0.57
0.56
0.01
Mar
1.09
1.13
-0.04
Apr
2.28
2.35
-0.07
May
4.12
4.13
-0.01
Jun
3.34
3.31
0.03
Jul
2.90
2.89
0.01
Aug
2.05
2.18
-0.13
Sep
1.54
1.47
0.07
Oct
1.59
1.66
-0.07
Nov
0.56
0.60
-0.04
Dec
0.42
0.46
-0.04
20.84
21.14
-0.30