USGS Streamgage 09365000
San Juan River at Farmington, NM
San Juan River at Farmington, NM is USGS streamgage 09365000 in New Mexico, monitoring river discharge in hydrologic subbasin 14080105. It drains a watershed of about 7,240 square miles. Discharge records at this site go back to 1924. Typical flow runs near 1,310.6 cfs in July and 1,787.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- New Mexico
- Drainage area
- 7,240 sq mi
- Gauge elevation
- 5,243 ft
- Subbasin (HUC-8)
- 14080105
- Coordinates
- 36.72302, -108.22559
- USGS site number
- 09365000
- Records begin
- 1924-05-18 (102 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 90 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 | 442.4 | 730.3 | 2,021.3 | |
| February | 486.4 | 805.4 | 2,266.9 | |
| March | 562.6 | 1,049 | 2,978.7 | |
| April | 622.2 | 1,787.7 | 6,153 | |
| May | 1,274.8 | 3,670 | 8,906.5 | |
| June | 1,203 | 3,991.3 | 10,174.7 | |
| July | 472.3 | 1,310.6 | 4,893.2 | |
| August | 362 | 898 | 2,567.4 | |
| September | 354.7 | 849.9 | 2,367 | |
| October | 455.5 | 863.5 | 2,080 | |
| November | 471.8 | 763.1 | 1,876.3 | |
| December | 430.5 | 731.5 | 1,901 |
All values in cubic feet per second (cfs).