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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.



USGS 01104453 STONY BROOK UNNAMED TRIB 2 NR WESTON STATION

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42°22'17", long 71°16'31" referenced to North American Datum of 1983, Middlesex County, Hydrologic Unit 01090001, on left bank, 750 ft upstream from Stony Brook, 1,500 ft north of Rt 20, and 0.7 mi southeast of Kendal Green.
DRAINAGE AREA--2.23 mi2.
PERIOD OF RECORD--June 2006 to October 2007, and June 2010 to present.
GAGE--Data Collection Platform, water-temperature and specific conductance monitor.
Elevation of gage is 100 ft above sea level (from topographic map). Telephone telemeter at station.
COOPERATION BY--Cambridge Water Department

This station managed by the Northborough MA Field Office.

Available Parameters Available Period
All 4 Available Parameters for this site
  
00010 Temperature, water 2007-10-01  2018-06-20
00060 Discharge 2007-10-01  2015-10-08
00065 Gage height 2007-10-01  2016-05-17
00095 Specific cond at 25C 2010-07-08  2018-06-20

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 19.8 06-20-2018   16:40 EDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 834 06-20-2018   16:40 EDT
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