Viewing Station: SD-GY-21 : Bonesteel 0.1 S
May 8, 2012 - Dec 11, 20254,547 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
December 1-11, 2025(7 of 11 days covered by obs)
NOAA Normal
0.22"
Departure from Normal
-0.22" : 0% of Normal
Year-To-Date: 13.37"
Jan 1 to Dec 11, 2025(301 of 345 days covered by obs)
NOAA Normal
24.98"
Departure from Normal
-11.61" : 54% of Normal
Water Year-To-Date: 1.03"
Oct 1, 2025 to Dec 11, 2025(63 of 72 days covered by obs)
NOAA Normal
3.11"
Departure from Normal
-2.08" : 33% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.42
0.09
Feb
0.72
0.75
-0.03
Mar
1.25
1.30
-0.05
Apr
2.99
3.08
-0.09
May
3.90
4.09
-0.19
Jun
3.76
4.11
-0.35
Jul
3.09
3.05
0.04
Aug
3.08
3.30
-0.22
Sep
2.57
2.79
-0.22
Oct
2.06
2.07
-0.01
Nov
0.83
0.86
-0.03
Dec
0.63
0.63
0.00
25.39
26.45
-1.06