USGS Streamgage 10287145
Up Conway D near Lee Vining, CA
Up Conway D near Lee Vining, CA is USGS streamgage 10287145 in California, monitoring river discharge in hydrologic subbasin 18090101. Discharge records at this site go back to 1986. Typical flow runs near 5.6 cfs in July and 0 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- California
- Gauge elevation
- 7,020 ft
- Subbasin (HUC-8)
- 18090101
- Coordinates
- 38.04215, -119.17265
- USGS site number
- 10287145
- Records begin
- 1986-10-01 (40 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 39 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 | 0 | 0 | |
| February | 0 | 0 | 0 | |
| March | 0 | 0 | 0 | |
| April | 0 | 0 | 0.7 | |
| May | 0 | 0.6 | 8 | |
| June | 0 | 4.7 | 11.4 | |
| July | 0 | 5.6 | 10.4 | |
| August | 0 | 2.8 | 10.5 | |
| September | 0 | 0 | 2.4 | |
| October | 0 | 0 | 0.4 | |
| November | 0 | 0 | 0 | |
| December | 0 | 0 | 0 |
All values in cubic feet per second (cfs).
Common questions
- When does Up Conway D near Lee Vining, CA normally run highest?
- July, on the long-term record. The median daily flow that month is about 5.6 cfs, against 0 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 Up Conway D near Lee Vining, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 0 cfs. The month-by-month table on this page gives the full range.
- How long has Up Conway D near Lee Vining, CA been measured?
- Discharge records at USGS site 10287145 begin in 1986, about 40 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Up Conway D near Lee Vining, CA?
- The gauge sits at 38.04215, -119.17265, in California, in hydrologic subbasin 18090101, at an elevation of about 7,020 feet.
- Can I use Up Conway D near Lee Vining, CA 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.
Other gauges in this subbasin
- Lundy Pp Tailrace near Lee Vining, CA
- Rush C Controlled Rel below Waugh Lake near June Lake, CA
- Rush C Controlled Rel below Gem Lake near June Lake, CA
- Rush C at Flume below Agnew Lake near June Lake, CA
- Rush C Pp Tailrace near June Lake, CA
- Lee Vining C below Saddlebag Lake near Lee Vining, CA
- Glacier C below Tioga Lake near Lee Vining, CA
- Poole Pp Conduit Intake near Lee Vining, CA