Viewing Station: SD-BL-13 : Chamberlain 7.5 NNE
Aug 25, 2013 - Sep 14, 20264,249 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.19"
September 1-15, 2026(5 of 15 days covered by obs)
NOAA Normal
1.09"
Departure from Normal
0.10" : 109% of Normal
Year-To-Date: 18.59"
Jan 1 to Sep 15, 2026(248 of 258 days covered by obs)
NOAA Normal
18.28"
Departure from Normal
0.31" : 102% of Normal
Water Year-To-Date: 21.46"
Oct 1, 2025 to Sep 15, 2026(340 of 350 days covered by obs)
NOAA Normal
21.26"
Departure from Normal
0.20" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.46
0.47
-0.01
Feb
0.67
0.59
0.08
Mar
0.97
0.98
-0.01
Apr
2.39
2.48
-0.09
May
3.40
3.44
-0.04
Jun
3.81
4.03
-0.22
Jul
2.78
2.67
0.11
Aug
2.71
2.72
-0.01
Sep
2.18
2.17
0.01
Oct
1.78
1.83
-0.05
Nov
0.67
0.70
-0.03
Dec
0.53
0.53
0.00
22.35
22.61
-0.26