Upper Tuolumne
Watershed

Hydrologic Unit Code 18040009


The Upper Tuolumne watershed encompasses over 1,198,599 acres and stretches across California. Drainage basins like this one funnel all the streams, snowmelt, and rainfall to a common outlet such as the outflow of a reservoir, or mouth of a bay.



Watershed Hierarchy

View other constituents of the Upper Tuolumne Watershed network.


Watershed Overview

Current conditions and statistics for the Upper Tuolumne Watershed
Eleanor C Nr Hetch Hetchy Ca
USGS 11278000
7 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Cherry C Bl Valley Dam Nr Hetch Hetchy Ca
USGS 11277300
5 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Tuolumne R A Grand Cyn Of Tuolumne Ab Hetch Hetchy
USGS 11274790
146 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Tuolumne R Nr Hetch Hetchy Ca
USGS 11276500
37 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Groveland 2
Snow Sensor GROC1
0"
Snowpack

24hr Change

Air Temp

Elevation
Big C Ab Whites Gulch Nr Groveland Ca
USGS 11284400
0 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Tuolumne R Ab Early Intake Nr Mather Ca
USGS 11276600
42 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Cherry C Nr Early Intake Ca
USGS 11278300
20 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Tuolumne R Bl Early Intake Nr Mather Ca
USGS 11276900
39 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Cherry C Bl Dion R Holm Ph
USGS 11278400
339 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Location 24hr Change (%) vs Average (%) Volatility (%)
Cherry C Bl Valley Dam Nr Hetch Hetchy Ca
USGS 11277300
153.92
Tuolumne R A Grand Cyn Of Tuolumne Ab Hetch Hetchy
USGS 11274790
-8.75
Cherry C Bl Dion R Holm Ph
USGS 11278400
-0.88


Watershed Correlation

Compare constituents of the Upper Tuolumne Watershed that move tightly or weakly together.


Trending Conditions

Recent snowpack and discharge levels for the Upper Tuolumne Watershed


Watershed Profile

Compare elevation with snowpack and streamflow conditions for this Watershed

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