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- 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
06036805 FIREHOLE RIVER AT OLD FAITHFUL, YELLOWSTONE NATIONAL PARK
LOCATION - Lat 44°27'33.60", long 110°49'20.18" referenced to North American Datum of 1983, Park County, WY, Hydrologic Unit 10020007, Yellowstone National Park, at Old Faithful, on left bank 10 ft downstream from East Fork, 0.9 mi upstream from Myriad Creek, and at river mile 17.3.
DRAINAGE AREA - 39.4 mi².
REVISIONS HISTORY - WDR MT-2013: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2006 to current year.
GAGE - Water-stage recorder. Elevation at gage is 7,350 ft, referenced to the North American Vertical Datum of 1988.
REMARKS -
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2006 to current year.
INSTRUMENTATION - Water temperature probe was installed Sept. 26, 2006.
REMARKS -
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 23.5°C, July 19, 2007; minimum, 0.0°C, many days in November through March.
