Viewing Station: SD-HG-12 : Pierre 2.5 NNE
Sep 1, 2009 - Apr 28, 20264,406 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
1.77"
Departure from Normal
-1.77" : 0% of Normal
Year-To-Date: 2.23"
Jan 1 to May 18, 2026(13 of 138 days covered by obs)
NOAA Normal
5.55"
Departure from Normal
-3.32" : 40% of Normal
Water Year-To-Date: 4.41"
Oct 1, 2025 to May 18, 2026(27 of 230 days covered by obs)
NOAA Normal
8.14"
Departure from Normal
-3.73" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.41
0.42
-0.01
Feb
0.60
0.50
0.10
Mar
0.88
0.80
0.08
Apr
1.89
1.81
0.08
May
3.04
3.16
-0.12
Jun
3.33
3.54
-0.21
Jul
2.48
2.40
0.08
Aug
2.01
1.92
0.09
Sep
1.56
1.67
-0.11
Oct
1.58
1.53
0.05
Nov
0.54
0.46
0.08
Dec
0.47
0.43
0.04
18.79
18.64
0.15