Global River Discharge Database

Results

Country: U.S.A. Station: WASH, DC L FALLS PUMP STA River: POTOMAC R Area: 5361002.95 Lat: 38.94 Lon: -77.12 Source: USGS PointID: 1646500 Area Units: km2 Discharge Units: m3/sec Starting Year: 1930 Ending Year: 1995 Total Years: 66 Total Usable Years: 65

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1930	-9999	-9999	370.68	260.56	111.93	81.19	36.37	16.13	19.22	16.51	19.81	48.89	-9999
1931	85.08	103.96	184.2	450.54	407	184.75	180.91	125.96	71.95	39.64	26.56	76.75	161.44
1932	191.86	338.24	475.63	499.21	786.74	114.04	88.25	34.03	28.87	211.49	595.77	238.2	300.19
1933	442.51	416.36	706.14	1031.59	642.8	170.75	153.05	380.08	224.27	102.08	76.71	106.57	371.08
1934	271.06	84.45	356.57	387.56	178.08	113.94	54.41	100.28	261.76	162.66	96.99	548.97	218.06
1935	452.85	711.57	514.46	737.19	367.93	147.47	112.24	125.77	250.41	62.56	204.37	241.62	327.37
1936	679.79	685.86	2166.52	670.71	181.64	122.52	90.4	89.86	49.17	150.82	84	347.08	443.2
1937	1053.03	823.42	390.96	1030.67	452.99	225.7	144.93	313.2	189.1	769.76	481.4	245.26	510.04
1938	237.95	272.82	337.31	259.04	284.25	163.45	156.31	152.67	69.44	49.9	72.52	278.31	194.5
1939	226.43	1041.66	595.06	537.74	242.28	160.91	189.91	167.97	56.62	110.58	155.07	95.37	298.3
1940	98.01	419.19	475.67	920.49	302.49	514.66	136.84	207.75	247.01	111.89	338.81	376.22	345.75
1941	358.5	237.67	377.68	469.3	117.1	213.16	206.65	68.66	49.08	22.93	40.12	106.82	188.97
1942	115.44	211.92	389.46	486.57	583.91	239.68	117.78	396.73	132.98	1248.64	290.66	487.28	391.75
1943	608.82	756.47	660.49	531.08	430.76	190.81	132.41	58.98	41.02	44.19	109.21	43.49	300.64
1944	221.76	237.16	864.49	509.23	490.67	139.45	51.45	32.54	70.93	165.42	79.78	252.29	259.6
1945	285.92	474.11	615.01	305.39	332.27	174.9	166.33	267.84	564.61	157.25	227.65	445.37	334.72
1946	493.26	349.56	490.61	257.16	435.12	422.8	116.21	121.87	63.1	98.42	74.96	73.27	249.7
1947	352.18	194.75	355.93	203.93	299.66	201.1	177.16	119.77	64.02	40.73	168.76	100.65	189.89
1948	251.36	387.26	500.3	626.75	497.85	222.73	143.12	183.91	82.61	260.63	312.03	819.64	357.35
1949	929.44	690.53	354.9	431.9	323.55	390.26	595.84	220.3	145.94	77.53	160	246.14	380.53
1950	244.59	739.73	545.21	281.07	481.58	294.63	119.26	62.96	286.35	185.57	342.7	875	371.55
1951	458.56	924.25	596.12	765.03	372.11	540.69	158.68	79.41	50.75	42.44	82.86	209.1	356.67
1952	719.89	525.54	757.28	982.79	734.87	213.86	151.62	98.04	175.16	61.59	410.64	384.92	434.68
1953	755.62	486.45	905.87	544.06	498.03	272.59	93.56	75.88	48.57	34.81	50.75	115.08	323.44
1954	116.41	128.56	554.15	242.58	235.13	164.62	60.7	62.67	49.64	305.98	237.56	313.69	205.97
1955	332.31	352.34	904.87	341.54	203.85	332.26	81.85	798.75	147.64	125.81	98.89	70.92	315.92
1956	71.57	648.59	581.46	513.51	215.92	174.82	259.12	176.6	80.46	126.25	236.33	315.68	283.36
1957	299.79	640.27	447.24	587.48	227.84	172.63	57.88	32.89	39.29	66.32	75.84	341.33	249.07
1958	401.72	332.72	820.01	834.31	735.62	176.51	183.63	194.58	69.12	51.35	57.14	63.41	326.68
1959	151.82	192.83	253.42	364.95	306.6	256.73	60.53	63.24	37.47	176.35	106.52	246.81	184.77
1960	347.58	445.81	459.61	932.74	617.79	395.39	114.63	99.33	111.75	61.24	63.32	50.32	308.29
1961	140.12	882.04	855.45	970.42	466.45	212.87	100.53	75.49	67.57	72.32	85.24	211.9	345.03
1962	286.91	345.72	1299.84	672.62	280.07	187.66	82.42	48.39	39.7	46.17	187.14	118.46	299.59
1963	296.03	161.49	1276	238.76	141.08	198.65	56.35	37.79	30.86	25.71	78.52	127.8	222.42
1964	523.33	350.91	868.07	517.35	442.6	82.54	65.41	33.95	22.41	67.18	56.52	160.59	265.9
1965	421.85	551.58	804.93	476.29	224.1	73.25	40.35	31.91	28.84	44.91	31.06	29.38	229.87
1966	48.48	384.2	352.95	333.79	396.15	72.81	19.67	15.24	161.75	186.18	108.39	225.95	192.13
1967	274.25	306.82	1017.23	258.15	489.03	130.65	126.96	208.52	79.66	156.57	121.65	510.59	306.67
1968	375.87	457.18	683.15	234.72	359	319.21	77.54	54.71	59.06	46.92	169.11	121.16	246.47
1969	112.03	189.81	237.45	199.87	111.02	62.76	69.41	226.63	123.81	65.89	102.69	225.17	143.88
1970	332.48	605.68	456	979.58	260.95	175.67	244.28	102.11	46.19	54.43	462.47	439.59	346.62
1971	513.46	976.49	606.26	304.69	434.47	430.62	87	162.88	204.45	366.94	241.22	477.74	400.52
1972	269.92	734.05	777.53	702.24	708.29	1320.29	485.98	170.45	79.02	309.56	569.79	1010.73	594.82
1973	468.44	687.7	489.87	995.06	536.38	353.7	153.71	152.95	111	155.96	199.33	665.3	414.12
1974	711.67	309.61	317.21	594.47	284.62	379.96	127.24	71.29	101.8	55.36	61.15	438.95	287.78
1975	408.7	583.43	853.14	429.47	559.33	315.2	244.87	127.43	716.71	515.65	313.9	225.27	441.09
1976	696.22	437.45	313.55	349.51	138.39	176.4	102.87	75.98	59.88	1041.82	324.71	296.58	334.45
1977	105.52	173.17	674.13	651.39	133.67	71.93	55.1	40.48	29.3	68.64	408.41	617.85	252.47
1978	691.65	306.35	1213.11	457	871.16	180.92	246.11	306.66	94.79	53.78	61.4	299.23	398.51
1979	866.79	854.46	1072.67	520.37	478.05	399.34	154.44	153.87	605.25	955.47	516.78	372.72	579.18
1980	520.07	227.81	660.72	876.6	716.51	223.99	121.08	96.25	47.07	48.14	105.12	100.55	311.99
1981	47.62	386.76	213.66	371	283.2	365.6	129.45	53.09	74.77	67.73	89.21	113.64	182.98
1982	216.98	783.88	822.47	378.48	226.39	625.63	163.9	104.04	55.04	58.94	81.98	190.42	309.01
1983	123.84	448.16	715.51	1366.58	695.5	313.67	101.81	53.97	41.66	139.46	280.51	754.51	419.6
1984	296.23	1117.33	974.93	1355.25	564.24	153.85	188.04	321.3	92.22	90.03	141.18	337.31	469.33
1985	204.35	590.81	369.07	325.01	274.27	214.51	105.31	79.99	49.71	95.3	1190.14	472.8	330.94
1986	155.74	721.98	714.62	336.43	193.71	80.86	53.37	41.13	27.26	29.29	104.91	339.76	233.26
1987	315.95	359.13	458.29	1290.64	433.26	152.54	125.55	30.84	201	74.48	146.11	327.87	326.31
1988	377.21	342.16	235.46	330.82	1102.5	173.57	66.33	43.49	60.88	41.67	107.91	74.33	246.36
1989	215.78	194.61	560.85	299.23	1144.18	374.25	339.3	182.71	142.26	256.75	223.06	106.68	336.64
1990	383.07	481.68	209.63	347.28	368.15	269.92	171.02	119.95	78.21	497.37	207.78	424.53	296.55
1991	1010.92	350.83	731.63	455.71	174.01	71.06	57.46	51.97	37.03	31.6	38.27	134.58	262.09
1992	186.52	182.18	538.43	519.76	364.92	256.63	155.7	101.29	113.27	70.41	225.47	599.85	276.2
1993	488.61	242.29	1776.73	1638.14	354.83	141.08	67.33	53.98	64.02	64.3	289.34	576.23	479.74
1994	438.44	1115.49	1907.65	786.65	510.18	105.3	98.72	249.93	88.02	62.78	107.5	234.71	475.45
1995	613.78	219.12	302.99	164.51	323.22	238.2	313.49	113.89	39.06	-9999	-9999	-9999	-9999
Avg	375.29	475.64	657.1	571.58	411.25	243.85	139.24	132.17	115.94	170.14	197.16	300.42	319.4
Std Dev	235.36	259.43	384.38	318.68	220.32	179.62	96.46	120.71	129.49	240.23	186.04	216.77	96.44
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual

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