USGS Water-Year Summary 2021
14375100 SUCKER CREEK BELOW LITTLE GRAYBACK CREEK, NEAR HOLLAND, OR
LOCATION - Lat 42°09'35", long 123°28'40" referenced to North American Datum of 1927, Josephine County, OR, Hydrologic Unit 17100311, on right bank, 500 ft downstream from Little Grayback Creek, 2.0 mi downstream from Grayback Creek, 3.7 mi northeast of Holland and at mile 9.3.
DRAINAGE AREA - 83.9 mi².
PERIOD OF RECORD - October 1965 to September 1991, October 2008 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,713.92 ft above NGVD of 1929 (U.S. Bureau of Reclamation bench mark).
COOPERATION - Periodic discharge measurements were provided by the State of Oregon Water Resources Department, and reviewed by the U.S. Geological Survey.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1940, 10.8 ft, Dec. 22, 1964, from flood mark, discharge, 19,300 ft³/s, from estimate based on slope-area measurement of peak flow at site 0.7 mi upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,550 ft³/s Jan. 15, 1974, gage height, 8.20 ft; minimum discharge, 9.7 ft³/s Sept. 21, 1991.