Grand Canyon Monitoring and Research Center

Colorado River above National Canyon near Supai, AZ 09404120

Parameter Availability
Gage Height
Discharge
    • Instantaneous Data and Physical Measurements
    • Physical Measurements Only
  • cubic feet per second (cfs)
  • 1989-09-27 to 2025-02-26
Water Temperature
Specific Conductance
Dissolved Oxygen
Turbidity
Total Suspended Sediment (sand, silt, and clay) Concentration
    • Instantaneous Data and Physical Samples
    • Physical Samples Only
  • milligrams per liter (mg/L)
  • 2007-03-05 to 2025-02-26
Suspended Silt-and-Clay Concentration
    • Acoustic Data and Physical Samples
    • Physical Samples Only
  • milligrams per liter (mg/L)
  • 2007-03-05 to 2025-02-26
Suspended Sand Concentration
    • Acoustic Data and Physical Samples
    • Physical Samples Only
  • milligrams per liter (mg/L)
  • 2007-03-05 to 2025-02-26
Suspended-Sand Median Grain Size
Instantaneous Silt-and-Clay Load
Cumulative Silt-and-Clay Load
Instantaneous Suspended-Sand Load
Cumulative Suspended-Sand Load
Average median grain size of the bed sand in the cross section
Average percent of bed sand in the cross section composed of very fine sand (0.063-0.125 mm)
Date Range
Data
To visualize data in a graph, please select parameters from the left as well as a date range from above.
Location