Viewing Station: SD-SL-21 : Pierre 12.9 N
Apr 20, 2015 - Aug 2, 2025561 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-17, 2025(0 of 17 days covered by obs)
NOAA Normal
0.87"
Departure from Normal
-0.87" : 0% of Normal
Year-To-Date: 14.82"
Jan 1 to Sep 17, 2025(33 of 260 days covered by obs)
NOAA Normal
15.29"
Departure from Normal
-0.47" : 97% of Normal
Water Year-To-Date: 16.21"
Oct 1, 2024 to Sep 17, 2025(36 of 352 days covered by obs)
NOAA Normal
17.83"
Departure from Normal
-1.62" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.39
0.38
0.01
Feb
0.57
0.53
0.04
Mar
0.82
0.77
0.05
Apr
1.80
1.79
0.01
May
2.98
3.12
-0.14
Jun
3.31
3.48
-0.17
Jul
2.50
2.44
0.06
Aug
2.05
2.04
0.01
Sep
1.54
1.66
-0.12
Oct
1.59
1.61
-0.02
Nov
0.51
0.49
0.02
Dec
0.44
0.43
0.01
18.50
18.74
-0.24