USGS Streamgage 10308200
E Fk Carson River below Markleeville Creek near Markleeville
E Fk Carson River below Markleeville Creek near Markleeville is USGS streamgage 10308200 in California, monitoring river discharge in hydrologic subbasin 16050201. It drains a watershed of about 276 square miles. Discharge records at this site go back to 1960. Typical flow runs near 187.5 cfs in July and 493.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 276 sq mi
- Gauge elevation
- 5,400 ft
- Subbasin (HUC-8)
- 16050201
- Coordinates
- 38.71463, -119.7649
- USGS site number
- 10308200
- Records begin
- 1960-09-01 (66 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 | 48.7 | 99 | 331.3 | |
| February | 69.9 | 130.5 | 336.2 | |
| March | 113.6 | 227 | 565.1 | |
| April | 244.4 | 493.8 | 1,062.8 | |
| May | 401.1 | 948.3 | 2,127.7 | |
| June | 205.2 | 726.6 | 2,111.7 | |
| July | 77.5 | 187.5 | 1,041.2 | |
| August | 43.7 | 98.9 | 277.3 | |
| September | 26.2 | 65.9 | 161 | |
| October | 31.5 | 64.5 | 131.8 | |
| November | 40.5 | 75.7 | 184.3 | |
| December | 46 | 83.6 | 237.2 |
All values in cubic feet per second (cfs).
Common questions
- When does E Fk Carson River below Markleeville Creek near Markleeville normally run highest?
- May, on the long-term record. The median daily flow that month is about 948.3 cfs, against 64.5 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for E Fk Carson River below Markleeville Creek near Markleeville?
- It depends on the month. In January, half of days historically fall near 99 cfs, with the middle 80% of days between 48.7 and 331.3 cfs. The month-by-month table on this page gives the full range.
- How long has E Fk Carson River below Markleeville Creek near Markleeville been measured?
- Discharge records at USGS site 10308200 begin in 1960, about 66 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is E Fk Carson River below Markleeville Creek near Markleeville?
- The gauge sits at 38.71463, -119.7649, in California, in hydrologic subbasin 16050201, at an elevation of about 5,400 feet, draining roughly 276 square miles.
- Can I use E Fk Carson River below Markleeville Creek near Markleeville 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
- Leviathan C Ab Mine near Markleeville, CA
- Unnamed Tributary 1 to Leviathan C at Leviathan Mine, CA
- Leviathan Mine Adit Drain near Markleeville, CA
- Leviathan Mine Pit Flow near Markleeville, CA
- Leviathan Mine Pit Junction Box near Markleeville, CA
- Unnamed Tributary 2 to Leviathan C at Leviathan Mine, CA
- 4L C near Markleeville, CA
- Leviathan C Ab Aspen C near Markleeville, CA