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ICE EFFECTS ON STREAMFLOW During winter, ice formation may cause stage and discharge values to appear higher than expected. Ice effects may be minor (occurring only at night and early morning) with baseline flows obvious, or the effects may be major (stage constantly increases over several days or weeks) resulting in greatly erroneous discharge. Streamgages experiencing minor ice conditions will continue to display stage and discharge values to enable users to estimate the approximate base-line stage and discharge. Streamgages experiencing major ice conditions will have the discharge record temporarily disabled to prevent use of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Daily mean discharges during periods of ice effect will be estimated after detailed data analysis.

USGS 01168500 DEERFIELD RIVER AT CHARLEMONT, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42° 37’33.6", long 72° 51’15.1"(revised), Franklin County, Hydrologic Unit 01080203, on left bank 0.8 mi east of Charlemont, 2.5 mi downstream from Chickley River, and at mile 24.5.
DRAINAGE AREA--361 mi2.
PERIOD OF RECORD--Discharge: June 1913 to current year.
Water-quality records: Water years 1954–55, 1958, 1967–69, 1995.
REVISED RECORDS--WSP 781: 1915(M). WSP 1301: 1918(M). WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 516.93 ft above North American Vertical Datum of 1988.
REMARKS--Flow regulated by Somerset Reservoir, since 1924 by Harriman Reservoir, and by several powerplants upstream. Telephone and satellite gage-height telemeter at station.
COOPERATION BY--TransCanada Power Company

For more information on the areal exent and depth of flood inundation during flooding at and near this streamgage go to the Flood Inundation Mapper
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 1990-09-30  2017-07-21
00065 Gage height 2007-10-01  2017-07-21

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Discharge, cubic feet per second
Most recent instantaneous value: 853 07-21-2017   20:30 EDT
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Daily discharge, cubic feet per second -- statistics for Jul 21 based on 104 years of record more
Min
(1962)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Jul 21		 Max
(1945)
38.0 240 427 448 607 853 1370

Gage height, feet
Most recent instantaneous value: 2.95 07-21-2017   20:30 EDT
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