PROVISIONAL DATA SUBJECT TO REVISION

Station operated in cooperation with U.S. Fish and Wildlife Service.

STATION.--10396000 DONNER UND BLITZEN NEAR FRENCHGLEN, OR
LOCATION.--Lat 42° 47'27", long 118° 52'03", in NW1/4 NW1/4 sec.20, T.32 S., R.32-1/2 E., 
Harney County, Page Springs quad., Hydrologic Unit 17120003, Bureau of Land Management 
land, on left bank 1.5 mi upstream from upper diversion for Malheur National Wildlife 
Refuge, 2.0 mi downstream from Fish Creek and 3.5 mi southeast of Frenchglen, Oregon. 
DRAINAGE AREA.--200 mi2, approximately.
PERIOD OF RECORD.--March 1911 to September 1913, March 1914 to September 1916, 
April 1917 to September 1921, August to November 1929, April to September 1930, 
December 1937 to current year. Monthly discharge only for some periods, published 
in WSP 1314. Published as "near Diamond" 1911-21. Records of discharge for January 1909 
to September 1910 (published in WSP 270, 290 and 370, for a nonequivalent site as "near 
Diamond") have been found to be unreliable and should not be used. 
GAGE.--Water-stage recorder and concrete control. Datum of gage is 4,254 ft above NGVD 
of 1929 (levels by Fish and Wildlife Service). Prior to December 1937, nonrecording gage 
at several sites within 2 mi downstream at different datums. Dec. 6, 1937 to Feb. 14, 1938, 
nonrecording gage at present site and datum. 
REMARKS.--No regulation or diversion upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,270 ft3/s Apr. 26, 1978, gage height, 
7.15 ft, from floodmarks, from rating curve extended above 1,900 ft3/s on basis of 
slope-area measurement of peak flow; minimum discharge, 4.2 ft3/s Dec. 9, 1972, 
result of freezeup. 

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.