USGS Water-Year Summary 2024
09081600 CRYSTAL RIVER ABOVE AVALANCHE CREEK NEAR REDSTONE, CO
LOCATION - Lat 39°13'57.5", long 107°13'39.0" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 sec.33, T.9 S., R.88 W., Pitkin County, CO, Hydrologic Unit 14010004, on left bank 1.2 mi upstream from Avalanche Creek, and 3.6 mi north of Redstone.
DRAINAGE AREA - 167 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1955 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 6,906.78 ft above NAVD of 1988, from GNSS survey. Prior to May 5, 2021, the elevation of gage was reported as 6,905 ft above NGVD of 1929, from river-profile map. Prior to May 16, 2012, at site 150 ft upstream, on right bank, at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,840 ft³/s, June 10, 2010, from rating curve extended above 3,000 ft³/s, gage height, 6.01 ft, from crest-stage gage.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - May 2019 to current year (seasonal records only).
INSTRUMENTATION - Tipping-bucket rain gage with satellite telemetry. Elevation of gage is 6,905 ft above NGVD of 1929, from river-profile map.
EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 1.33 inches, Sept. 29, 2021.