Viewing Station: SD-HG-26 : Pierre 16.5 ESE
Jun 11, 2015 - Sep 17, 20261,263 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.43"
September 1-17, 2026(10 of 17 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
-0.54" : 44% of Normal
Year-To-Date: 16.72"
Jan 1 to Sep 17, 2026(192 of 260 days covered by obs)
NOAA Normal
16.07"
Departure from Normal
0.65" : 104% of Normal
Water Year-To-Date: 18.83"
Oct 1, 2025 to Sep 17, 2026(268 of 352 days covered by obs)
NOAA Normal
18.67"
Departure from Normal
0.16" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.42
0.42
0.00
Feb
0.61
0.55
0.06
Mar
0.90
0.86
0.04
Apr
2.05
2.00
0.05
May
3.11
3.15
-0.04
Jun
3.42
3.59
-0.17
Jul
2.54
2.61
-0.07
Aug
2.05
2.17
-0.12
Sep
1.72
1.73
-0.01
Oct
1.58
1.59
-0.01
Nov
0.56
0.58
-0.02
Dec
0.46
0.46
0.00
19.42
19.71
-0.29