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Around Lake Oahe
Data Source: Recreation.gov · Public land: USGS PAD-US
Typical flow by month
1991 to 2026
The water at Lake Oahe typically runs highest in May, at a median 12 cfs, and lowest in January, at 2.2 cfs. The highest flow on record for any single day is 2,510 cfs, in 2019.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 2.2 | 1.8 to 3.4 |
| February | 3.5 | 2.1 to 8.0 |
| March | 11 | 3.3 to 73 |
| April | 8.6 | 4.2 to 41 |
| May | 12 | 3.3 to 36 |
| June | 7.5 | 4.2 to 15 |
| July | 8.3 | 3.5 to 18 |
| August | 3.7 | 2.0 to 10 |
| September | 2.4 | 1.5 to 6.0 |
| October | 3.4 | 1.6 to 9.1 |
| November | 3.6 | 2.2 to 5.4 |
| December | 3.1 | 2.1 to 4.0 |
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 16 years of record. Statistics published by the US Geological Survey for Porcupine Creek near Fort Yates, ND (site 06354815). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Today · Fri
81Go/ 100
FogHigh 46°F, low 29°FRain 0%Wind 10 kt, gusts 16
Streamflow
4.3 cfs
Normal (54th)
Water level
1.80 ft
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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