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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	2025-06-13
Daily Data
Temperature, water, degrees Celsius	2006-04-21	2025-06-12	10448
Precipitation, total, inches	2023-04-02	2025-06-12	418
Discharge, cubic feet per second	1904-08-01	2025-06-12	28073
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2022-05-01	2025-06-12	1215
Dissolved oxygen, water, unfiltered, milligrams per liter	2022-05-01	2025-06-12	1487
pH, water, unfiltered, field, standard units	2022-05-01	2025-06-12	1491
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	2025-06-12	1400
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	2025-06-11	325
Field/Lab water-quality samples	1968-10-16	2023-11-16	304
Water-Year Summary	2005	2024	20
Revisions	Loading...

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