USGS Water-Year Summary 2024
14038530 JOHN DAY RIVER NEAR JOHN DAY, OR
LOCATION - Lat 44°25'07", long 118°54'19" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.19, T.13 S., R.32 E., Grant County, OR, Hydrologic Unit 17070201, on left bank, 1,200 ft downstream from Dog Creek, 2.5 mi east of John Day and at mile 250.8.
DRAINAGE AREA - 386 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1968 to September 1994, May 1996 to current year.
GAGE - Water-stage recorder. Datum of gage is 3,130.56 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,830 ft³/s June 9, 1969, gage height, 10.80 ft, from floodmark; minimum discharge, 3.5 ft³/s Aug. 26-28, 1969.