Viewing Station: SD-BR-31 : Aberdeen 0.6 NNE
Jun 14, 2012 - May 17, 20261,604 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
May 1-18, 2026(9 of 18 days covered by obs)
NOAA Normal
1.79"
Departure from Normal
-1.70" : 5% of Normal
Year-To-Date: 1.04"
Jan 1 to May 18, 2026(16 of 138 days covered by obs)
NOAA Normal
5.61"
Departure from Normal
-4.57" : 19% of Normal
Water Year-To-Date: 1.69"
Oct 1, 2025 to May 18, 2026(34 of 230 days covered by obs)
NOAA Normal
8.79"
Departure from Normal
-7.10" : 19% 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