USGS Streamgage 06288400
Bighorn River at Two Leggins Bridge, near Hardin
Bighorn River at Two Leggins Bridge, near Hardin is USGS streamgage 06288400 in Montana, monitoring river discharge in hydrologic subbasin 10080015. It drains a watershed of about 20,614 square miles. Discharge records at this site go back to 2012. Typical flow runs near 3,363.2 cfs in July and 3,373.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 20,614 sq mi
- Gauge elevation
- 2,937 ft
- Subbasin (HUC-8)
- 10080015
- Coordinates
- 45.64409, -107.65822
- USGS site number
- 06288400
- Records begin
- 2012-04-01 (14 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 13 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 | 2,077.4 | 2,648.4 | 3,671.9 | |
| February | 1,988.9 | 2,743.1 | 4,154.3 | |
| March | 1,922.3 | 3,085.5 | 7,015.5 | |
| April | 1,825 | 3,373.7 | 9,686 | |
| May | 1,623.9 | 3,592.3 | 11,171 | |
| June | 1,534 | 4,288.7 | 14,140 | |
| July | 1,539 | 3,363.2 | 10,467.1 | |
| August | 1,483.2 | 2,152.9 | 3,598.1 | |
| September | 1,452.7 | 2,279.3 | 3,718.3 | |
| October | 1,682.9 | 2,805.8 | 4,516.5 | |
| November | 1,901.3 | 2,681.7 | 4,114.7 | |
| December | 2,022.6 | 2,656.8 | 3,746.8 |
All values in cubic feet per second (cfs).