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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 01104200 CHARLES RIVER AT WELLESLEY, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42o18'59", long 71o13'42", Norfolk County, Hydrologic Unit 01090001, on left bank at east limits of Wellesley, 30 ft upstream from a horseshoe-shaped dam and 50 ft upstream from bridge on State Highway 9.
DRAINAGE AREA--211 mi2.
PERIOD OF RECORD.--August 1959 to current year.
GAGE--Data Collection Platform with satellite and telephone gage-height telemeter at station.
REMARKS--Records good. Flow affected by diversion to Mother Brook (station 01104000), and by diversions to and from basin for municipal supplies. Occasional regulation at dam 0.2 mi upstream and by other ponds upstream.
COOPERATION BY--Massachusett Department of Conservation and Recreation, Division of Planning and Engineering.


Photo of Charles River at Wellesley
Boating safety tips
This station managed by the Northborough MA Field Office.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1988-10-01  2018-06-20
00065 Gage height 2007-10-01  2018-06-20

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


Discharge, cubic feet per second

Most recent instantaneous value: 85.1 06-20-2018   11:30 EDT
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Daily discharge, cubic feet per second -- statistics for Jun 20 based on 58 years of record more
Min
(2016)
Most Recent
Instantaneous
Value Jun 20
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1998)
36.1 85.1 93 131 246 298 1660


Gage height, feet

Most recent instantaneous value: 2.99 06-20-2018   11:30 EDT
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