USGS Streamgage 06290500
Little Bighorn River below Pass Creek near Wyola, MT
Little Bighorn River below Pass Creek near Wyola, MT is USGS streamgage 06290500 in Montana, monitoring river discharge in hydrologic subbasin 10080016. It sits on the Little Bighorn River, alongside 3 other gauges Rivermatics tracks on the same river. It drains a watershed of about 426 square miles. Discharge records at this site go back to 1939. Typical flow runs near 202 cfs in July and 154.8 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 426 sq mi
- Gauge elevation
- 3,603 ft
- Subbasin (HUC-8)
- 10080016
- Coordinates
- 45.17713, -107.39455
- USGS site number
- 06290500
- Records begin
- 1939-04-01 (87 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 66 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 | 66.1 | 101.5 | 138.9 | |
| February | 73.6 | 104.6 | 163.2 | |
| March | 87.7 | 118.3 | 217.7 | |
| April | 102.5 | 154.8 | 289.4 | |
| May | 186.2 | 398.2 | 814.9 | |
| June | 205.6 | 523.8 | 1,221.7 | |
| July | 84.8 | 202 | 403.7 | |
| August | 53.2 | 109.5 | 169.4 | |
| September | 60 | 105.2 | 161.4 | |
| October | 86.4 | 120.8 | 155 | |
| November | 90.3 | 116.9 | 146 | |
| December | 75.4 | 105.5 | 134.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Little Bighorn River below Pass Creek near Wyola, MT normally run highest?
- June, on the long-term record. The median daily flow that month is about 523.8 cfs, against 101.5 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Little Bighorn River below Pass Creek near Wyola, MT?
- It depends on the month. In January, half of days historically fall near 101.5 cfs, with the middle 80% of days between 66.1 and 138.9 cfs. The month-by-month table on this page gives the full range.
- How long has Little Bighorn River below Pass Creek near Wyola, MT been measured?
- Discharge records at USGS site 06290500 begin in 1939, about 87 years, covering roughly 1,245 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Little Bighorn River below Pass Creek near Wyola, MT?
- The gauge sits at 45.17713, -107.39455, in Montana, in hydrologic subbasin 10080016, at an elevation of about 3,603 feet, draining roughly 426 square miles.
- Can I use Little Bighorn River below Pass Creek near Wyola, MT data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Little Bighorn River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Little Bighorn River in full.
- Little Bighorn River at State Line near Wyola, MT 182 sq mi
- Little Bighorn River below Pass Creek near Wyola, MT this page
- Little Bighorn River near Crow Agency, MT 1,186 sq mi
- Little Bighorn River near Hardin, MT 1,294 sq mi