USGS Water-Year Summary 2021
09358000 ANIMAS RIVER AT SILVERTON, CO
LOCATION - Lat 37°48'40", long 107°39'31" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.17, T.41 N., R.7 W., San Juan County, CO, Hydrologic Unit 14080104, on right bank at southeast end of 14th St., 800 ft. upstream from Cement Creek, in the city of Silverton.
DRAINAGE AREA - 70.6 mi².
- WDR CO 92-2: Drainage area.
PERIOD OF RECORD - June to October 1903 (staff gage), monthly discharge only, published in WSP 1313. October 1991 to September 1993, October 1994 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 9,290 ft above NGVD of 1929, from topographic map.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1884, was probably that of Oct. 5, 1911.
PERIOD OF RECORD - April 2019 to current year (seasonal records only).
INSTRUMENTATION - Tipping-bucket rain gage with satellite telemetry. Elevation of gage is 9,290 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 0.71 inches, June 6, 2020.