USGS Streamgage 08387000
Rio Ruidoso at Hollywood, NM
Rio Ruidoso at Hollywood, NM is USGS streamgage 08387000 in New Mexico, monitoring river discharge in hydrologic subbasin 13060008. It drains a watershed of about 120 square miles. Discharge records at this site go back to 1953. Typical flow runs near 8.6 cfs in July and 21.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- New Mexico
- Drainage area
- 120 sq mi
- Gauge elevation
- 6,422 ft
- Subbasin (HUC-8)
- 13060008
- Coordinates
- 33.32669, -105.62533
- USGS site number
- 08387000
- Records begin
- 1953-10-01 (73 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 73 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 | 3.4 | 7.7 | 20.8 | |
| February | 3.5 | 9.3 | 31.2 | |
| March | 4.4 | 14.3 | 51.3 | |
| April | 4.3 | 21.1 | 76.6 | |
| May | 3 | 14.1 | 64.2 | |
| June | 1.9 | 7.4 | 24.5 | |
| July | 3 | 8.6 | 29.8 | |
| August | 4.6 | 13.3 | 48.7 | |
| September | 4.3 | 12.6 | 44.7 | |
| October | 3.8 | 8.8 | 26.2 | |
| November | 3.6 | 7.9 | 24 | |
| December | 3.2 | 7.7 | 19.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Rio Ruidoso at Hollywood, NM normally run highest?
- April, on the long-term record. The median daily flow that month is about 21.1 cfs, against 7.4 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Rio Ruidoso at Hollywood, NM?
- It depends on the month. In January, half of days historically fall near 7.7 cfs, with the middle 80% of days between 3.4 and 20.8 cfs. The month-by-month table on this page gives the full range.
- How long has Rio Ruidoso at Hollywood, NM been measured?
- Discharge records at USGS site 08387000 begin in 1953, about 73 years, covering roughly 9,119 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Rio Ruidoso at Hollywood, NM?
- The gauge sits at 33.32669, -105.62533, in New Mexico, in hydrologic subbasin 13060008, at an elevation of about 6,422 feet, draining roughly 120 square miles.
- Can I use Rio Ruidoso at Hollywood, NM 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.