Global River Discharge Database | Center for Sustainability and the Global Environment (SAGE)

Results

Country:	U.S.A.
Station:	SHEPHERDSTOWN, WV
River:	POTOMAC R
Area:	15373.33
Lat:	39.43
Lon:	-77.8
Source:	USGS
PointID:	1618000
Area Units:	km²
Discharge Units:	m³/_sec
Starting Year:	1918
Ending Year:	1995
Total Years:	78
Total Usable Years:	77

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1918	133.04	134.08	145.06	238.08	293.39	300.76	113.47	70.68	55.16	51.98	105.91	115.46	146.42
1919	125.79	130.11	138.63	273.53	204.74	146.48	121.11	107.21	91.95	91.99	134.77	140.55	142.24
1920	137.54	133.55	182.32	366.81	178.92	127.98	123.7	73.79	66.47	67.34	98.15	111.59	139.01
1921	120.5	125.85	143.06	199.82	213.49	125.68	67.24	43.31	39.87	42.08	82.94	89.64	107.79
1922	101.31	102.95	177.93	465.18	338.25	189.15	120.64	102.51	82.62	85.07	87.64	97.55	162.57
1923	128.39	134.58	164.27	259.14	233.6	129.68	89.86	52.8	55.87	64.97	70.08	91.93	122.93
1924	107.23	115.7	120.92	221.22	344	154.2	126.63	272.49	159.75	129.21	118.35	118.83	165.71
1925	126.22	122.46	128.71	73.66	72.34	113.36	139.11	86.14	60.05	80.21	97.84	106.28	100.53
1926	106.65	105.84	98.25	145.35	187.16	195.61	122.18	81.87	111.43	171.39	139.26	129.29	132.86
1927	151.7	137.33	186.37	204.11	192.37	172.21	108.16	86.55	58.62	113.88	136.13	130.43	139.82
1928	128.73	151.05	223.06	372.84	161.17	120.41	93.88	74.49	130.61	185.9	183.75	147.84	164.48
1929	158.11	189.33	307.49	548.12	315.74	132.9	137.22	115.94	96.01	71.85	90	98.84	188.46
1930	116.73	127.23	144.99	118.89	122.95	112.97	78.77	35.55	29.88	30.59	35.16	69.09	85.23
1931	70.08	68.46	67.19	62.3	35.69	31.08	27.84	25.9	30.38	53.04	71.05	90.58	52.8
1932	120.22	165.05	150.35	101.16	119.24	97.83	53.41	25.92	22.62	20.62	53.87	70.84	83.43
1933	68.37	78.63	104.47	151.93	183.08	108.2	58.64	33.16	20.07	24.9	45.26	64.01	78.39
1934	65.5	62.07	58.86	94.87	84.44	41.03	45.3	26.47	33.67	46.49	73.65	121.84	62.85
1935	100.71	114.45	182.53	216.43	147.62	111.89	99.89	87.27	73.27	69.77	70.71	72.16	112.23
1936	86.17	99.68	119.55	124.76	118.68	91.4	37.21	21.56	24.68	51.43	67.45	63.2	75.48
1937	86.19	109.11	153.02	141.18	205.99	106.12	62.59	31.89	30.06	30.02	61.16	82.56	91.66
1938	88.9	155.93	221.8	232.89	147.49	111.85	126	116.46	311.97	253.25	112.65	110.56	165.81
1939	165.08	221.74	135.4	231.92	130.53	107.65	92.61	61.77	62.11	66.33	71.42	83.73	119.19
1940	82.43	85.05	94.45	70.2	81.93	188.98	174.4	143.59	136.13	77.56	93.04	119.45	112.27
1941	188.11	146.83	102.6	231.6	125.04	131.62	79.46	48.81	72.15	142.38	221.71	136.55	135.57
1942	136.94	118.88	131.76	145.46	235.09	372.4	119.63	104.49	97.68	144.64	132.9	112.86	154.39
1943	111.69	129.31	174.37	273.89	141.13	292.98	141.87	85.15	71.82	54.39	75.32	89.57	136.79
1944	81.86	100.64	126.19	92.53	132.51	170.41	99.84	56.62	50.18	58.68	71.83	98.48	94.98
1945	87.88	107.63	127.33	159.47	117.67	297.05	94.51	69.32	62.4	87.05	94.23	138.49	120.25
1946	172.08	148.16	305.41	213.79	84.13	131.62	119.63	71.82	61.15	55.41	81.74	94.31	128.27
1947	97.89	121.57	128.39	193.45	160.92	188.99	107.16	71.66	62.74	55.01	78.75	92.71	113.27
1948	99.85	88.38	153.49	158.25	148.89	61.27	54.16	47.31	41.59	37.22	70.11	88.31	87.4
1949	95.33	102.66	105.17	103.07	90.28	57.19	62.34	57.53	57.96	45.2	59.2	71.01	75.58
1950	93.34	86.69	94.34	224.85	157.73	89.91	78.66	73.83	60.78	64.09	76.34	85.92	98.87
1951	92.82	87.49	109.5	372.55	215.18	106.83	98.73	71.46	71.11	104.81	144.41	163.95	136.57
1952	132.57	153.53	158.32	488.01	117.34	85.54	111.39	78.84	60.57	46.13	60.43	94.32	132.25
1953	98	106.04	169.3	266.26	185.46	83.96	68.15	80.45	60.61	48.67	63.48	88.93	109.94
1954	86.13	82.05	65.84	45.01	83.52	113.84	99.31	58.49	62.96	236.4	132.95	144.22	100.89
1955	124.03	102.64	107.23	183.47	135.18	107.17	79.42	59.9	43.57	45.43	72.47	85.25	95.48
1956	72.81	67.62	85.54	167.15	184.41	99.07	90.14	98.45	77.59	62.09	72.46	90.04	97.28
1957	107.62	95.04	71.08	57.95	95.3	126.69	67.47	53.22	45.74	40.79	63.41	89.35	76.14
1958	102.66	90.56	71.46	52.9	56.11	37.25	40.37	33.33	37.47	40.95	43.27	44.23	54.21
1959	58.7	76.58	128.03	198.97	151.1	99.15	55.1	48.81	49.86	92.48	160.17	142.72	105.14
1960	221.74	123.47	110.7	175.07	570.91	192.39	114.65	129.01	136.64	136.7	177.25	155.48	187
1961	70.16	61.55	156.27	244.01	107.56	92.55	72.69	78.88	83.3	131.56	326.42	172.42	133.11
1962	123.32	102.22	137.06	353.6	248.2	98.47	85.31	67.44	68.76	109.72	101.21	90.6	132.16
1963	82.69	73.73	116.11	181.97	99.4	88.57	58.79	46.07	33.41	40.18	47.31	63.23	77.62
1964	83.15	75.81	45.19	50.29	91.51	75.84	53.73	44.92	51.99	64.41	64.63	63.14	63.72
1965	58.6	99.7	181.56	194.95	197.38	104.49	53.47	47.28	84.19	166.79	152.09	208.28	129.06
1966	196.72	177.97	258.84	216.72	102.83	102.09	61.46	45.12	41.22	34.67	57.67	68.68	113.67
1967	80.95	119.59	86.7	274.43	109.64	163.06	123.51	56.79	46.47	51.2	138.99	113.5	113.74
1968	79.37	69.45	88.54	65.24	207.28	146.44	193.96	91.44	84.01	109.68	109.37	110.77	112.96
1969	137.11	160.48	128.71	256.35	173.77	134.89	315.67	63.7	41.69	49.4	84.19	88.61	136.21
1970	145.15	118.67	93.31	45.17	91.98	206.41	46.17	38.21	42.42	48.18	141.49	88.23	92.12
1971	95.69	123.2	196.72	229.01	135.88	123.71	62.47	55.23	47.11	51.24	116.19	123.78	113.35
1972	110.32	94.12	150.86	207.05	190.65	67.3	56.63	67.03	202.02	206.55	206.88	97.75	138.1
1973	194.92	219.81	352.35	370.37	435.99	262.54	89.55	65.41	63.46	76.96	115.22	124.1	197.56
1974	103.48	159.05	153.41	249.67	172.57	196.69	71.3	61.9	49.11	40.6	89.26	112.62	121.64
1975	83.94	91.81	124	175.49	248.28	156.85	57.29	52.3	95.61	64.96	60.09	132.8	111.95
1976	119.17	128.34	183.7	335.56	182.95	77.82	44.38	36.87	28.23	22.28	58.87	60.64	106.57
1977	40.56	50.05	58.44	111.8	72.05	56.27	47.89	39.02	35.39	69.69	115.43	107.79	67.03
1978	115.71	108.99	71.4	107.18	208.44	99.3	154.46	69.94	134.72	104.95	97.16	126.24	116.54
1979	113.54	120.25	212.56	461.94	332.32	156.54	65.62	83.76	122.76	50.76	120.21	132.46	164.39
1980	132.59	119.72	71.73	115.82	95.39	169.06	55.41	107.71	211.21	167.34	81.75	101.37	119.09
1981	106.51	136.16	163.06	192.94	119.47	63.96	56.21	57.94	83.46	184.96	91.93	103.59	113.35
1982	151.3	116.43	104.58	283.48	152.34	99.25	96.29	116.42	59.55	74.34	249.13	279.74	148.57
1983	177.01	141.01	288.5	193.89	214.53	164.38	72.67	59.48	143.3	168.31	143.92	184.98	162.67
1984	139.01	124.54	159.95	102.59	216.51	188.44	124.53	66.23	147.58	209.44	360.83	196.24	169.66
1985	204.46	162.65	308.39	388.13	127.19	52.1	64.97	92.31	148.6	200.02	327.16	243.57	193.3
1986	190.63	131.87	163.15	351.13	133.37	107.68	135.7	115.38	265.17	402.83	171.67	111.4	190
1987	159.88	161.13	108.77	126.32	123.73	73.94	48.96	51.22	56.11	54.85	113.49	151.95	102.53
1988	128.81	140.51	117.93	138.72	83.54	38.93	29.15	30.65	38.03	79.5	122.35	98.74	87.24
1989	83.96	91.29	132.4	134.87	101.69	240	56.69	51.23	38.95	58.1	84.88	73.72	95.65
1990	73.58	72.78	177.03	80.88	173.04	238.87	94.7	125.55	148.48	104.92	105.46	96.51	124.32
1991	97.79	84.38	139.89	226.45	173.75	115.55	61.59	65.07	59.57	78.89	197.94	190.79	124.31
1992	134.62	97.03	166.34	189.1	168.5	93.3	65.05	48.77	159.25	107.14	197.93	210.97	136.5
1993	147.81	126.17	141.81	351.27	368.12	377.55	441.65	204.53	182.81	150.77	166.82	129.24	232.38
1994	116.82	127.76	235.52	114.54	196.4	65.85	163.19	91.29	124.78	118.84	122.59	135.76	134.44
1995	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999

Avg	115.8	116.81	146.1	205.7	170.87	134.56	94.58	72.35	81.7	92.63	114.2	114.64	121.66

Std Dev	37.16	33.84	61.61	111.03	88.28	70.89	59.04	38.51	55.1	64.48	63.38	42.44	35.58

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual

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