Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
12393000 PRIEST LAKE AT OUTLET NEAR COOLIN, ID
LOCATION - Lat 48°30'27", long 116°53'13" referenced to North American Datum of 1983, in sec.32, T.60 N., R.4 W., Bonner County, ID, Hydrologic Unit 17010215, Priest Lake SW quad., 0.9 mi east of outlet, 2.6 mi northwest of Coolin, and 44 mi upstream from mouth of Priest River.
DRAINAGE AREA - 572 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1911 to September 1913 (fragmentary gage-height records at Coolin, published as part of records for "Priest River at outlet of Priest Lake, at Coolin"), April 1928 to July 1950 (gage-height record only), August 1950 to current year.
GAGE - Water-stage recorder. Datum of gage is 2,434.64 ft above NGVD of 1929. June 18, 1911 to Sept. 30, 1913, non recording gages at Coolin at different datums. Apr. 21, 1928 to Oct. 18, 1939, non recording gage at site 400 ft north of lake outlet at present datum.
REMARKS - Flow from Priest Lake is regulated to hold lake at levels desirable for recreation interests during summer months and storage is released for power use downstream during winter months. Storage began Aug. 9, 1950. Prior to Aug. 9, 1950, some regulation resulted from logging operations in the outlet channel. Figures given herein represent contents above gage height of about -2 ft. New dam completed Nov. 27, 1978.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 6.68 ft, June 20, 1974, contents, 207,500 acre-ft; minimum, -0.46 ft Jan. 5, 6, 1977, Feb. 26, Mar. 2, 2001, contents, 37,500 acre-ft.
