Viewing Station: SD-ST-7 : Fort Pierre 25.0 W
Aug 7, 2017 - Apr 28, 2026471 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
May 1-18, 2026(0 of 18 days covered by obs)
NOAA Normal
1.82"
Departure from Normal
-1.82" : 0% of Normal
Year-To-Date: 1.10"
Jan 1 to May 18, 2026(3 of 138 days covered by obs)
NOAA Normal
5.72"
Departure from Normal
-4.62" : 19% of Normal
Water Year-To-Date: 2.78"
Oct 1, 2025 to May 18, 2026(8 of 230 days covered by obs)
NOAA Normal
8.27"
Departure from Normal
-5.49" : 34% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.44
0.45
-0.01
Feb
0.56
0.59
-0.03
Mar
0.92
1.00
-0.08
Apr
1.98
1.99
-0.01
May
3.14
3.36
-0.22
Jun
3.25
3.42
-0.17
Jul
2.51
2.48
0.03
Aug
2.01
2.21
-0.20
Sep
1.35
1.50
-0.15
Oct
1.59
1.61
-0.02
Nov
0.49
0.55
-0.06
Dec
0.47
0.51
-0.04
18.71
19.67
-0.96