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USGS 09014050 GRAND LAKE OUTLET BLW CHIPMUNK LN AT GRAND LK, CO

PROVISIONAL DATA SUBJECT TO REVISION

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This site is operated seasonally.

Station operated by the U.S. Geological Survey in cooperation with Colorado River Water Conservation District, Grand County, Northern Colorado Water Conservancy District, and Bureau of Reclamation.

Boating safety tips

This station managed by the Lakewood Field Office.

Available Parameters Available Period
  
2010-04-13  2025-05-15
2010-04-10  2025-05-15
2021-01-31  2025-05-15
2011-10-01  2025-05-15
2012-01-01  2025-05-15
2020-03-31  2025-05-15
2018-02-28  2025-05-15
2010-04-12  2019-09-30
2010-04-13  2025-05-15
2025-01-15  2025-05-15







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius, [QW MONITOR]
Most recent instantaneous value: 10.6 05-15-2025   16:30 MDT
Graph of Temperature, water, degrees Celsius, [QW MONITOR]

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Discharge, cubic feet per second
Most recent instantaneous value: 230 05-15-2025   16:30 MDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 15 based on 14 water years of record more
Min
(2013)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value May 15		 Max
(2014)
-254 -118 35 64 221 230 503

Gage height, feet
Most recent instantaneous value: 8.40 05-15-2025   16:30 MDT
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 59 05-15-2025   16:30 MDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.7 05-15-2025   16:30 MDT
Graph of pH, water, unfiltered, field, standard units

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.88 05-15-2025   16:30 MDT
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

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Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.97 05-15-2025   16:30 MDT
Graph of Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)

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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter, [daylight hours]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 2.0 05-15-2025   16:30 MDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.43 05-15-2025   16:30 MDT
Graph of Mean water velocity for discharge computation, feet per second

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