Viewing Station: SD-BK-59 : Aurora 0.3 NNE
Apr 19, 2022 - Sep 18, 20261,282 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.13"
September 1-18, 2026(17 of 18 days covered by obs)
NOAA Normal
1.78"
Departure from Normal
0.35" : 120% of Normal
Year-To-Date: 17.77"
Jan 1 to Sep 18, 2026(217 of 261 days covered by obs)
NOAA Normal
21.80"
Departure from Normal
-4.03" : 82% of Normal
Water Year-To-Date: 20.21"
Oct 1, 2025 to Sep 18, 2026(296 of 353 days covered by obs)
NOAA Normal
25.71"
Departure from Normal
-5.50" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.59
0.51
0.08
Feb
0.72
0.61
0.11
Mar
1.32
1.23
0.09
Apr
2.52
2.39
0.13
May
3.58
3.48
0.10
Jun
4.26
4.27
-0.01
Jul
3.70
3.51
0.19
Aug
3.33
3.24
0.09
Sep
2.96
3.02
-0.06
Oct
2.09
2.04
0.05
Nov
1.02
0.93
0.09
Dec
0.80
0.73
0.07
26.89
25.96
0.93