Downs Marina
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Operator details
- Vessels
- Powerboat
Boat launches near Downs Marina
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- Down's MarinaTrailer ramp
- LaFramboise Public Water AccessTrailer ramp
- Fort Pierre Public Water AccessTrailer ramp
- Bad River Public Water AccessTrailer ramp
- Farm Island Recreation Area - WestTrailer ramp
- Farm Island Recreation Area - EastTrailer ramp
- Oahe Downstream Recreation AreaTrailer ramp
- Tailrace WestTrailer ramp
Typical flow by month
1929 to 2026
The water at Downs Marina typically runs highest in March, at a median 54 cfs, and lowest in January, at 0.0 cfs. The highest flow on record for any single day is 27,200 cfs, in 1942.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 0.0 | 0.0 to 0.8 | |
| February | 1.0 | 0.0 to 19 | |
| March | 54 | 4.3 to 271 | |
| April | 39 | 3.7 to 222 | |
| May | 30 | 2.7 to 155 | |
| June | 39 | 3.8 to 196 | |
| July | 6.1 | 0.1 to 39 | |
| August | 0.5 | 0.0 to 9.6 | |
| September | 0.0 | 0.0 to 1.8 | |
| October | 0.0 | 0.0 to 1.2 | |
| November | 0.0 | 0.0 to 1.4 | |
| December | 0.0 | 0.0 to 1.3 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 97 years of record. Statistics published by the US Geological Survey for Bad River near Fort Pierre, SD (site 06441500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Streamflow
0.8 cfs
Normal (58th)
Water level
1.13 ft
High today
70°F
Wind
17 kt
Gusts 31 kt
Rain chance
14%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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