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DESCRIPTION:

Latitude 40°02'12",   Longitude 106°26'22"   NAD27

Grand County, Colorado, Hydrologic Unit 14010001

Drainage area: 2,379 square miles

Datum of gage: 7,320 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2025-09-17
Daily Data
Temperature, water, degrees Celsius	2006-04-21	2025-09-16	10736
Precipitation, total, inches	2023-04-02	2025-09-16	513
Discharge, cubic feet per second	1904-08-01	2025-09-16	28169
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-05-01	2025-09-16	1503
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-05-01	2025-09-16	1775
pH, water, unfiltered, field, standard units	2022-05-01	2025-09-16	1779
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2022-05-01	2025-09-16	1610
Daily Statistics
Temperature, water, degrees Celsius	2006-04-22	2024-09-30	3404
Discharge, cubic feet per second	1904-08-01	2025-04-21	28021
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-05-01	2024-09-30	360
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-05-01	2024-09-30	451
Monthly Statistics
Temperature, water, degrees Celsius	2006-04	2024-09
Discharge, cubic feet per second	1904-08	2025-04
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-05	2024-09
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-05	2024-09
Annual Statistics
Temperature, water, degrees Celsius	2006	2024
Discharge, cubic feet per second	1904	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022	2024
Dissolved oxygen, water, unfiltered, milligrams per liter	2022	2024
Peak streamflow	1905-06-04	2024-06-12	76
Field measurements	1970-05-21	2025-07-16	326
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1968-10-16	2023-11-16	304
Water-Year Summary	2005	2024	20
Revisions	Loading...

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