USGS Streamgage 06181000
Poplar River near Poplar, MT
Poplar River near Poplar, MT is USGS streamgage 06181000 in Montana, monitoring river discharge in hydrologic subbasin 10060003. It drains a watershed of about 3,170 square miles. Discharge records at this site go back to 1908. Typical flow runs near 37.8 cfs in July and 166.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 3,170 sq mi
- Gauge elevation
- 1,943 ft
- Subbasin (HUC-8)
- 10060003
- Coordinates
- 48.11792, -105.19282
- USGS site number
- 06181000
- Records begin
- 1908-08-01 (118 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 118 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 | 0.7 | 7.7 | 24.5 | |
| February | 0.4 | 9.2 | 50.1 | |
| March | 5.3 | 72.9 | 802.1 | |
| April | 53.6 | 166.7 | 1,331.1 | |
| May | 35 | 87.6 | 278.6 | |
| June | 16.4 | 57.1 | 241.2 | |
| July | 6.4 | 37.8 | 175.8 | |
| August | 2 | 17.3 | 59.6 | |
| September | 4.2 | 14.9 | 61.7 | |
| October | 7.9 | 23.8 | 62.5 | |
| November | 9.5 | 26.1 | 51.1 | |
| December | 4.9 | 15.5 | 36.8 |
All values in cubic feet per second (cfs).