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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.
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USGS 04040000 ONTONAGON RIVER NEAR ROCKLAND, MI

PROVISIONAL DATA SUBJECT TO REVISION

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CONTINUOUS WATER QUALITY MONITORING FOR THIS SITE IS OPERATED SEASONALLY


The precipitation data for this station are temporary and will be displayed only for the most recent 120 days. While the instrumentation is calibrated at least annually by the National Weather Service, standard USGS quality-assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.



Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy,
with financial assistance from the USEPA Great Lakes Restoration Initiative.
This station managed by the ESCANABA FIELD OFFICE.

Available Parameters Available Period
  
2011-07-08  2022-06-24
1989-10-01  2022-06-24
2017-10-01  2022-06-24
2011-07-08  2022-06-24
2011-07-08  2022-06-24
2011-07-08  2018-11-23
2020-10-14  2022-06-24
2011-07-08  2022-06-24







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 24.1 06-24-2022   18:15 EST
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 712 06-24-2022   18:15 EST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jun 24 based on 80 water years of record more
Min
(1988)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Jun 24		 Median 75th
percen-
tile		 Mean Max
(1946)
294 656 712 862 1430 1450 13800

Gage height, feet
Most recent instantaneous value: 5.90 06-24-2022   18:15 EST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 130 06-24-2022   18:15 EST
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 8.6 06-24-2022   18:15 EST
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 644.56 06-24-2022   18:15 EST
Graph of Stream water level elevation above NAVD 1988, in feet

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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: 25.6 06-24-2022   18:15 EST
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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