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USGS Surface-Water Monthly Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 09073400 ROARING FORK RIVER NEAR ASPEN, CO.


Pitkin County, Colorado
Hydrologic Unit Code 14010004
Latitude  39°10'48", Longitude 106°48'05" NAD27
Drainage area 106  square miles
Gage datum 8,014.01 feet above NGVD29
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00060, Discharge, cubic feet per second,
YEAR Monthly mean in ft3/s   (Calculation Period: 1964-10-01 -> 2020-07-31)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1964 27.723.623.9
1965 22.620.619.346.5177.5515.8528.788.468.58047.932.8
1966 27.724.826.949.4206.415569.655.838.236.827.924.5
1967 23.422.828.148.6169.3269.693.139.851.435.628.426.3
1968 22.122.822.930.5126.2457.897.46552.939.834.831.5
1969 29.827.127.568.5253.5226.2115.535.63440.232.225.5
1970 23.724.922.732.5303.7440.4140.256.266.646.544.338.7
1971 33.230.538.273.4154.1489.1139.153.540.643.839.932.5
1972 26.52331.845.1159.1284.756.934.644.628.725.820.5
1973 17.918.119.826.2164.1460.519452.233.9342723.8
1974 22.320.723.338.5278.3249.67434.731.829.823.823.5
1975 24.323.619.529105.4285.6186.143.336.63426.823.1
1976 19.319.820.739.6162.5232.67234.642.941.321.918.6
1977 1715.416.634.9118118.648.429.323.823.520.720.1
1978 18.117.122.545.4140.2405.5150.147.426.823.624.121
1979 19.818.919.535.5161.7425.3354.558.243.93832.125.5
1980 23.222.725.140.2131.9645.2240.566.340.729.527.825.9
1981 24.220.120.762133.7242.469.436.1323126.925.8
1982 26.52424.635.3136.8382.2214.388.576.461.742.835.6
1983 31.328.425.930.797545.4415133.858.44641.235.8
1984 33.127.828.642.1554.11,017646.7184.581.465.561.646.5
1985 3732.43179.7323.9860294.78352.964.145.836.9
1986 30.633.441.766.2183.1326.2230.2119.787.173.65947.5
1987 3633.133.374.3325.2760.2151.554.640.138.237.435.1
1988 29.333.43355.5155.4285.487.757.6474133.332.2
1989 33.235.930.576.3197.2218.674.857.156.338.928.628.3
1990 28.828.631.351.7137.9381.8105.262.844.960.839.632
1991 3028.831.137.5204.3384.3150.364.552.340.633.530.8
1992 27.822.724.761.1248.6250.898.594.966.449.943.636.3
1993 32.53134.546.4244479.1204.666.855.547.830.726.4
1994 25.222.726.454.3196.8248.668.951.346.535.727.823.2
1995 22.723.431.138.5100.2805.61,057186.570.759.844.337.7
1996 29.930.430.154.6278.8639.623182.568.459.551.847.3
1997 44.641.144.361.4222.2893.5283109.959.446.742.237.9
1998 35.431.232.345.4165.6258.3139.363.942.940.533.924.5
1999 23.525.634.147.6194.2805.3282.1115.8947347.633
2000 24.824.830.965.8244.821361.854.25435.628.724.7
2001 22.622.925.242.8207.719454.445.352.132.827.124.9
2002 22.820.921.254.1107.377.846.525.629.925.422.621.1
2003 20.419.42242.4241.2269.957.741.244.934.123.421.7
2004 19.31829.350.2158145.665.750.639.532.225.421.5
2005 20.919.821.140.8169.9250.691.250.729.735.130.528.2
2006 2523.826.676.8245.3232.570.940.436.852.335.630.2
2007 26.82433.151.3234.228292.454.767.337.830.328.1
2008 28.924.223.943.6201544.4209.16441.433.230.628.2
2009 25.123.73052.7346.1304.9107.743.33534.93024
2010 24.323.124.155.8177.9412.376.553.131.830.228.226.9
2011 24.123.324.939.7116515.3250.559.945.133.528.723.8
2012 21.121.325.150.588.255.529.541.337.73119.718.5
2013 17.715.716.525.1135220.656.949.267.735.826.220.9
2014 1719.424.363.2215.6440118.954.439.738.128.624.6
2015 21.921.23154.4121.8889.6267.570.445.235.526.424.4
2016 21.920.523.644.6140.2624.493.74940.633.422.922.2
2017 22.321.834.360.9150.1590136.985.646.831.426.122.9
2018 2118.919.539.2200.4112.455.32822.720.914.714
2019 12.311.914.850.3111.3471.8649.8144.845.331.727.624.9
2020 22.721.524.242.8203.8221.189.5
Mean of
monthly
Discharge
25 24 27 49 192 402 179 66 48 41 32 28

** No Incomplete data have been used for statistical calculation