USGS Streamgage 06335500
Little Missouri River at Marmarth, ND
Little Missouri River at Marmarth, ND is USGS streamgage 06335500, monitoring river discharge in hydrologic subbasin 10110203. It drains a watershed of about 4,640 square miles. Discharge records at this site go back to 1929. Typical flow runs near 86.4 cfs in July and 180.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 4,640 sq mi
- Gauge elevation
- 2,714 ft
- Subbasin (HUC-8)
- 10110203
- Coordinates
- 46.29778, -103.9175
- USGS site number
- 06335500
- Records begin
- 1929-05-29 (97 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 88 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 0 | 3.9 | 46.1 | |
| February | 0 | 17.5 | 352.2 | |
| March | 21 | 193 | 2,748.5 | |
| April | 35.2 | 180.5 | 1,828.1 | |
| May | 20 | 140.6 | 1,676.8 | |
| June | 16.5 | 176.8 | 1,829.2 | |
| July | 7.1 | 86.4 | 497.2 | |
| August | 1.9 | 32.6 | 200.9 | |
| September | 1.8 | 21.4 | 148.3 | |
| October | 5.8 | 25.7 | 226.5 | |
| November | 7.4 | 25.2 | 83.9 | |
| December | 1.4 | 12.2 | 42.6 |
All values in cubic feet per second (cfs).