Rivermatics

USGS Streamgage 103087898

Aspen C Ab Leviathan C near Markleeville, CA

Aspen C Ab Leviathan C near Markleeville, CA is USGS streamgage 103087898 in California, monitoring river discharge in hydrologic subbasin 16050201. It drains a watershed of about 1 square miles. Discharge records at this site go back to 2025. 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
1 sq mi
Gauge elevation
6,633 ft
Subbasin (HUC-8)
16050201
Coordinates
38.71722, -119.65833
USGS site number
103087898
Records begin
2025-08-14 (1 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Aspen C Ab Leviathan C near Markleeville, CA. 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
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2
0.2 0.2 0.2

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 1 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Only 4 of 12 months have enough record to summarize; the rest are omitted.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
August 0.3
September 0.3
October 0.3
November 0.3

All values in cubic feet per second (cfs).

Common questions

When does Aspen C Ab Leviathan C near Markleeville, CA normally run highest?
August, on the long-term record. The median daily flow that month is about 0.3 cfs, against 0.3 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has Aspen C Ab Leviathan C near Markleeville, CA been measured?
Discharge records at USGS site 103087898 begin in 2025, about 1 years, covering roughly 356 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Aspen C Ab Leviathan C near Markleeville, CA?
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 Aspen C Ab Leviathan C near Markleeville, CA?
The gauge sits at 38.71722, -119.65833, in California, in hydrologic subbasin 16050201, at an elevation of about 6,633 feet, draining roughly 1 square miles.
Can I use Aspen C Ab Leviathan C near Markleeville, 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