Viewing Station: SD-BR-31 : Aberdeen 0.6 NNE
Jun 14, 2012 - Sep 13, 20261,691 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.10"
September 1-13, 2026(12 of 13 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
-0.81" : 11% of Normal
Year-To-Date: 11.57"
Jan 1 to Sep 13, 2026(103 of 256 days covered by obs)
NOAA Normal
16.87"
Departure from Normal
-5.30" : 69% of Normal
Water Year-To-Date: 12.22"
Oct 1, 2025 to Sep 13, 2026(121 of 348 days covered by obs)
NOAA Normal
20.05"
Departure from Normal
-7.83" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.52
0.52
0.00
Feb
0.57
0.61
-0.04
Mar
0.88
0.89
-0.01
Apr
1.85
1.85
0.00
May
3.08
3.32
-0.24
Jun
3.59
3.63
-0.04
Jul
3.19
3.26
-0.07
Aug
2.28
2.34
-0.06
Sep
2.09
2.11
-0.02
Oct
1.91
1.92
-0.01
Nov
0.69
0.70
-0.01
Dec
0.58
0.60
-0.02
21.23
21.75
-0.52