USGS Water-Year Summary 2023
420535121143800 LOST RIVER BELOW MALONE DAM AT GIFT ROAD, NEAR ALTAMONT, OR
LOCATION - Lat 42°05'35.4", long 121°14'37.8" referenced to North American Datum of 1983, Klamath County, OR, Hydrologic Unit 18010204, and on right bank.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: May 2021 to current year (seasonal records only).
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 29.4°C July 14, 2023; minimum, 4.7°C Oct. 12, 2022.