Global River Discharge Database

Results

Country:U.S.A.
Station:ROANOKE RAPIDS, N.C.
River:ROANOKE RIVER
Area:21718.45
Lat:36.46
Lon:-77.63
Source:USGS
PointID:2080500
Area Units:km2
Discharge Units:m3/sec
Starting Year:1912
Ending Year:1993
Total Years:82
Total Usable Years:79
Discharge in the Average Year
Average Discharge Over All Years

YearJanFebMarAprMayJunJulAugSepOctNovDecAvg Annual
1912209.04413.23977.14352.06478.04173.01153.5365.46129.6274.18149.78101.62273.06
1913205.13141.8539.6317.45274.6195.21148.23122.34181.07174.76235.44215.65229.27
1914285.55433.45311.55255.21139.7384.73189.8669.5548.15103.48100.73387.29200.77
1915663.04467.12258.9205.7129.88298.5493.3297.87229.83271.96108.96223.59270.72
1916251.84420.09172.77185.69209.47311.74315.4211.4371.9112.3473.11110.76203.88
1917241.45219.61740.52277.09161.2214.89253.9188.44135.9274.3791.7267.19213.86
1918259.37343.01196.24596.17262.83131.89119.11129.7118.3768.54144.61334.34225.35
1919495.33287.77408.32238.34320.98360.6689.82191.7268.9892.9288.84117.78280.12
1920135.05458.85316.28338.75144.81200.94147.69255.56102.2591.91273.33520.14248.8
1921461.4486.85235.23242.75235.16144.66127.574.6878.0951.66143.16109.36199.21
1922173.96616.04669.82224.44373.47283.93298.28151.3192.26142.685.59139.71270.95
1923252.93367.47737.43321.87172.67127.06116.68227.01236.7283.07107.2178.95244.09
1924399.11259.8318.12368.26567.43207.34264.69124.16148.45389.44167.86259.26289.49
1925680.06322.77207.97152.02229.4192.1270.3475.6967.6176.37115.18134.15185.31
1926303.07419.18202.9213.3493.5662.75114.8971.7646.0346.08123.55299.81166.41
1927166.14356.33237.15292.03114.5109.59155.15160.988.72220.44135.29453.74207.5
1928214.79282.27248.28410.49218.33119.1120.17628.61632.04171.82126.37120.69274.41
1929141.42279.66616.61359.62263.39279.4215.69170.49108.54558.72264.97234.67291.1
1930263.43301.74216.27175.86119.44114.5360.7838.1529.2726.6266.0295.51125.64
1931145.6189.2166.08339.28245.4135.67111.01293.3574.9737.6642.3890.04147.55
1932301.13232.93439.29259.27149.41121.653.8843.9428.9289.68363.17428.35225.96
1933370.51375.99284.17370.3245.94147.16104.78107.1357.2537.7752.6374.76185.7
193483.3394.75533.73440.41190.1214.11103.2140.58374.02152.03159.26477.1246.88
1935423.95309.05469.4561.71194.33145.21166.493.93228.3871.62181.47175.57251.75
19361094.21649.44667.72578.42172.17150.2121.98131.9463.39177.7186.63221.12342.91
1937927.15408.69242.35436.12238.23193.17178.67395.43334.96646.32278.42211.33374.24
1938328.11219.88273.29211.21149.14474.93540.34227.84108.4584.33193.6237.08254.02
1939215.94551.58488.34253.79216.01140.07258.91382.12104.8992.36120.8123.26245.67
1940153.09407.44211.77322.91171.54270.7137.051103.94183.2596.89257.92180.29291.4
1941258.27166.64208.62277.1999.06104.78307.4994.4971.440.9655.4895.52148.33
1942110.13166.87216.5109.56302.55220.86143.54383.12158.61277.66152.45237.14206.58
1943348.37489.29392.53336.76198.45217.26252.389.9872.759.4787.3188.62219.42
1944204.48327.95568419.26216.87112.74122.4997.89456.12448.61163.6262.98283.42
1945332.44394.33252.84209.34220.29116.51238.46153.96608.41137.85156.34436.81271.46
1946499.22500.45267.49202.92363.4168.33193.6793.4995.3998.71116.38116.87226.36
1947415.8152.19305.24284.08151.27139.52117.19102.11229.32233.62418.84169.19226.53
1948221.36549.44413.17492.51253.92243.01133.75182.0484.07174.88286.11605.02303.27
1949448.99394.21329.3336.12409.94166.3432.9244.73238.99142.41333.13170.13303.93
1950177.05278.47249.45157.97321.89269.4238.21123.39238.22139.38120.96294.21217.38
1951151.29269.64289.12440.19170.13224.77130.1997.6857.4951.96116.95322.94193.53
1952323.19397595.3282.58298.74131.9161.8599.26172.0168.89138.79122.8224.36
1953331.97193.61341.72270.84144.15120.72101.14112.41103.2485.3465.65120.03165.9
1954221.58249.12212.11204.94184.783.3111.1195.18101.94154.6164.54229.26167.7
1955166.53120.04327.49357.61228.69153.32159.6379.6214.71186.12144.41143.23215.11
1956132.78145.78151.37197.59190.56107.26117.94122.24120.4132.8165.07175.17146.58
1957146.01404.82249.94396.26203.57181.87105.92118.18200.76181.02234.56464.89240.65
1958341.14316.49337.47579.93614.83228.14179.47196.75158.11147.33117.33154.46280.95
1959195.55236.59104.88335.63199.11125.94109.98147.47153.54319.07188.59273.91199.19
1960312.99540.56541.77511.3310.03197.6127.97161.32172.59190.53123.76144.14277.88
1961155.86170.95389.35429.08275.87263.9154.17175.12151.55128.56134.03285226.12
1962437.65378.59451.44407.95210.97312.8174.86158.87116.6980.65139.06179.31254.07
1963325.67243.86477.68179.49169.33147.1697.6108.63132.3126.9117.18130.57188.03
1964145.92191.19145158.41173.5146.2982.1109.71150.34121.2111.69166.72141.84
1965181.49252.39331169.33194.64119.55138.63149.75113.84120.8682.94107.6163.5
1966135.15156.51279.38107.74139.94101.65105.6111.18141.88129.25103.58149.58138.45
1967167.11175.12136.7172.37144.16136.14111.47144.54150.61132.43116.56126.4134.47
1968203.64174.17171.59152.84163.08179.94145.63144.8661.9185.64109.86145.24144.87
1969134.91192.79141.08119.51181.92129.41135.09122.55107.63174.44131.73141.01142.67
1970193.37176.36124.88114.59187.19115.473.09205.7146.857.51151.86183.59144.2
1971199.1295.37319.79166.99356.6388.9279.43145.8214.52318.07426.72227.76261.59
1972228.83355.36230.85246.41463.4322.43582.33276.14111.45376.68340.51520.58337.91
1973460.21487.78405.74551.05396.37261.23209.36244.12142.981.42125.89322.36307.37
1974436.47441.32192.87356.46294.32195.84178.3168.26336.55120.28253.71109.61257
1975342.75425.25518.46869.29254.71259.63350.9276.22188.59261.15218.98179.56345.46
1976360.18274.78139.6142.82167.5152.52127.1780.91106.77221.65280.91229.81190.39
1977183.81143.33129.76226.13198.3466.97104.7972.0480.8287245.36211.39145.81
1978417.96554.78473.06333.92899.11409.16211.76177.03119.9789.26134.74209.62335.86
1979425.58488.09678.24515.19290.58236.04145.19132.07315.19576.5468.17233.68375.38
1980335.89283.93303.48484.25301.73197.72151.77116.0474.7966.5475.3296.75207.35
1981126.597463.9783.01112.52111.0598.6672.9876.0462.4771.0797.6187.5
1982335.67343.26263.15112.74202.33432.25181.65139.1194.3688.42185.34219.66216.5
1983210.37299.72489.7645.91534.85199.63133.5996.766.8877.34116.89369.35270.08
1984375.75361.98566.43569.45410.36194.98206.28256.22134.978130.11145.64285.84
1985252.25319.98142.2271.55121.13110.1586.7262.03161.0893.36500.88401.33210.22
1986154.57179.08152.9123.44156.2680.3378.3574.2498.5-9999-9999-9999-9999
1987-9999-9999-9999-9999-9999-9999-9999-9999-9999-9999-9999-9999-9999
1988-9999-9999-9999-9999-9999-9999-9999-9999-999970.07143.94136.27-9999
1989100.23161.49449.19295.28531.91331.72342.79204.25264.06460.34223.23270.14302.89
1990429.87480.57326.6404.49337.16396.89173.17129.588.09316.63329.52172.39298.74
1991505.41289.07348.76472.9262.11200.3994.82112.780.18-9999-9999-9999-9999
1992-9999-9999-9999-9999-9999-9999-9999-9999-9999114.67197.48301.67-9999
1993469.17315.55609.91924.83361.54207.83138.9171.3371.1-9999-9999-9999-9999
                           
Avg298.93318.94344.23319.12253.88192.74173.55173.53151.65160.34171.22218.21231.56
                           
Std Dev172.55 132.45 178.66 168.54 133.45 89.87 112.57 142.59 110.26 128.42 97.52 119.31 62.27
                           
 JanFebMarAprMayJunJulAugSepOctNovDecAvg Annual

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