PROVISIONAL DATA SUBJECT TO REVISION

Station operated in cooperation with the U.S. Army Corps of Engineers.

STATION.--14361500 ROGUE RIVER AT GRANTS PASS, OR
LOCATION.--Lat 42° 25'50", long 123° 19'00", in NW 1/4 sec.20, T.36 S., R.5 W., Josephine 
 County, Hydrologic Unit 17100308, on right bank, 0.6 mi upstream from bridge on State 
 Highway 99 at Grants Pass and at mile 101.8. [location map] 
DRAINAGE AREA.--2,459 mi2.
PERIOD OF RECORD.--October 1938 to current year. Prior to January 1939, monthly discharge 
 only, published in WSP 1318. 
GAGE.--Water-stage recorder. Datum of gage is 884.28 ft above NGVD of 1929. Prior to 
 Aug. 8, 1957, at site 300 ft upstream at datum 4.00 ft higher and Aug. 8, 1957, to 
 Sept. 2, 1983, at site 300 ft upstream at datum 1.00 ft higher. 
REMARKS.--Flow regulated since February 1977 by Lost Creek Lake (station 14355040), 
 slight regulation by Fish Lake and Emigrant Lake (combined active capacity 46,850 acre-ft).
 Many diversions from Rogue River and tributaries upstream from station, the largest of which 
 is by Grants Pass Irrigation District. Continuous water-quality records for the period August 
 1973 to September 1987 have been collected at this location. 
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 152,000 ft3/s Dec. 23, 1964, gage height, 
 35.15 ft, present datum, from rating curve extended above 93,000 ft3/s; minimum discharge, 
 195 ft3/s Jan. 30, 1961; minimum daily, 606 ft3/s Sept. 10, 1968.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of December 1861 reached a stage of about 43 ft, 
 present datum (information furnished by U.S. Army Corps of Engineers). Flood of February 1890 
 reached a stage of about 36 ft, present datum, and that of February 21, 1927, about 
 32 ft, present datum, according to local resident.

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

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