USGS Water-Year Summary 2023
14046000 NORTH FORK JOHN DAY RIVER AT MONUMENT, OR
LOCATION - Lat 44°48'50", long 119°25'50" referenced to North American Datum of 1927, in SE 1/4 sec.02, T.9 S., R.27 E., Grant County, OR, Hydrologic Unit 17070202, on right bank, just downstream from entrance to canyon, 0.7 mi downstream from Cottonwood Creek, 0.8 mi west of Monument and at mile 15.3.
DRAINAGE AREA - 2,520 mi². approximately.
REVISIONS HISTORY - WSP 754: 1932(M). WSP 1448: 1927, 1931(M), 1949.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1925 to current year. Monthly discharge only for some periods 1925-28, published in WSP 1318.
GAGE - Water-stage recorder. Datum of gage is 1,959.64 ft above NGVD of 1929. Prior to Nov. 24, 1925, nonrecording gage and Nov. 24, 1925 to Oct. 16, 1928, water-stage recorder at datum 1.10 ft higher. Oct. 17, 1928 to Sept. 30, 1930, water-stage recorder at datum 1.00 ft higher.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 33,400 ft³/s Jan. 30, 1965, gage height, 18.45 ft, from rating curve extended above 17,000 ft³/s; minimum discharge, 6 ft³/s occurred during period Nov. 2-13, 1936, result of freezeup; minimum daily, 17 ft³/s Dec. 12, 1932.