Viewing Station: SD-CS-34 : Custer 4.7 ENE
Dec 17, 2022 - Sep 13, 20261,232 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.21"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
0.74"
Departure from Normal
-0.53" : 28% of Normal
Year-To-Date: 12.78"
Jan 1 to Sep 13, 2026(249 of 256 days covered by obs)
NOAA Normal
19.05"
Departure from Normal
-6.27" : 67% of Normal
Water Year-To-Date: 14.98"
Oct 1, 2025 to Sep 13, 2026(335 of 348 days covered by obs)
NOAA Normal
21.74"
Departure from Normal
-6.76" : 69% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.48
0.49
-0.01
Feb
0.73
0.73
0.00
Mar
1.17
1.19
-0.02
Apr
2.38
2.38
0.00
May
3.99
4.08
-0.09
Jun
3.58
3.40
0.18
Jul
3.58
3.44
0.14
Aug
2.40
2.33
0.07
Sep
1.71
1.52
0.19
Oct
1.55
1.60
-0.05
Nov
0.60
0.67
-0.07
Dec
0.54
0.55
-0.01
22.71
22.38
0.33