Rivermatics

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 sits on the E Fork Carson River, alongside 2 other gauges Rivermatics tracks on the same river. 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. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

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)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for E Fk Carson River below Markleeville Creek near Markleeville. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
45.2 48.6 51.7
42.8 47 51.2
41.3 46.2 51.2
40.4 45.8 51.5
39.8 45.4 51.6
39.1 45 51.3
38.3 44.5 51.4
37.4 44.1 51.2
36.3 43.4 50.9
35.5 42.9 50.5
36.2 43.9 52.5
36.2 44.7 53.7
34.9 43.7 52.4
34.5 43.1 52

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

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.

Historical monthly discharge percentiles in cubic feet per second
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 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for E Fk Carson River below Markleeville Creek near Markleeville?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
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.

Upstream and downstream on the E Fork Carson River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the E Fork Carson River in full.

Other gauges in this subbasin