Global River Discharge Database

Results

Country: U.S.A. Station: POINT OF ROCKS, MD River: POTOMAC R Area: 5361002.95 Lat: 39.27 Lon: -77.54 Source: USGS PointID: 1638500 Area Units: km2 Discharge Units: m3/sec Starting Year: 1923 Ending Year: 1940 Total Years: 18 Total Usable Years: 17

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1923	0	0.12	0.39	0.15	9.38	46.11	21.35	86.22	51.02	73.87	33.91	19.23	28.48
1924	21.24	31.15	29.86	37.55	10.89	1.72	0.15	0.1	0	0	0	0	11.06
1925	0	5.19	1.07	0.87	1.96	0	11.45	18.52	1.02	0.56	2.35	1.14	3.68
1926	6.11	4.31	2.32	3.75	1.52	0	0	0	0.01	0	0	0	1.5
1927	0	1.66	1.41	10.08	1.27	0.95	13.11	78.45	5.91	1.42	1.3	0.93	9.71
1928	2.35	2.44	2.55	2.89	22.64	65.51	13.09	1.3	0.03	0	1.71	7.35	10.15
1929	3.72	2	6.16	1.7	1.9	0.26	0.06	42.91	5.13	2.38	6.7	10.64	6.96
1930	2.82	6.62	1.93	1.29	3.06	1.02	0.02	0	0.11	15.56	8.85	13.87	4.6
1931	9.38	5.76	8.14	17.75	6.47	1.7	0.14	0	0	0	0	0.35	4.14
1932	0.72	2.18	1.5	1.4	0.69	4.92	7.5	0.25	0.01	0	0.17	0.29	1.64
1933	1.17	1.09	1.03	1.65	7.84	0.65	0.24	1.33	10.93	0.95	0.89	1.42	2.43
1934	1.38	1.42	2.12	1.31	0.45	0.31	0	0	0.43	0	0	0.08	0.63
1935	0.67	0.77	0.58	0.37	24.74	14.89	5.29	1.35	2.41	0.16	0.47	0.79	4.37
1936	0.74	0.27	1.06	0.54	10.2	27.72	0.85	31.8	1.41	0.7	0.91	1.13	6.44
1937	0.28	1.94	2.41	1.29	0.55	5.6	1.73	0.08	4.74	0.27	0.2	0.26	1.61
1938	0.58	0.46	1.12	1.73	3.63	3.62	3.38	0.32	4.52	0.58	0.61	1.86	1.87
1939	3.37	2.04	4.58	1.77	0.52	0.11	2.02	0.49	0	0	0	0	1.24
1940	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999
Avg	3.21	4.08	4.01	5.06	6.34	10.3	4.73	15.48	5.16	5.67	3.42	3.49	5.91
Std Dev	5.12	7.02	6.77	9.18	7.24	18.28	6.2	27.35	11.84	17.42	8	5.59	6.49
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual

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