PROVISIONAL DATA SUBJECT TO REVISION

Station funded by U.S. Geological Survey National Streamflow Information Program (NSIP).

STATION.--14048000 JOHN DAY RIVER AT MCDONALD FERRY, OR 
    (National stream quality accounting network station)
 
LOCATION.--Lat 45° 35'16", long 120° 24'30", in NE 1/4 NW 1/4 sec.11, T.1 N., R.19 E., 
     Sherman County, Hydrologic Unit 17070204, on left bank at McDonald Ferry, 
     0.8 mi downstream from Rock Creek, 10 mi east of Klondike, and at mile 20.9. [location map] 
 GAGE AREA.--7,580 mi2, approximately. 
 PERIOD OF RECORD.--December 1904 to current year.  Prior to Oct. 1, 1930, published 
     as 'at McDonald'. 
 GAGE.--Water-stage recorder.  Datum of gage is 392.27 ft above NGVD of 1929.  Prior to 
     Aug. 30, 1930, nonrecording gage at same site and datum. 
 REMARKS.--No regulation.  Many diversions for irrigation  upstream from station. 
 EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 42,800 ft3/s Dec. 24, 1964, gage 
     height, 13.59 ft, from floodmark, from rating curve extended above 11,000 ft3/s 
     on basis of slope-area measurement of peak flow; no flow for part of Sept. 2, 1966, 
     Aug. 15 to Sept. 16, 1973,  Aug. 13, 14, 19-25, 1977. 
 EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of 1894 reached a stage of 12.8 ft, from 
     floodmarks, discharge, 39,100 ft3/s, from rating curve extended above 22,000 ft3/s.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.