Global River Discharge Database

Results

Country: U.S.A. Station: KEOKUK, IOWA River: MISSISSIPPI RIVER Area: 308191.73 Lat: 40.39 Lon: -91.37 Source: USGS PointID: 5474500 Area Units: km2 Discharge Units: m3/sec Starting Year: 1937 Ending Year: 1993 Total Years: 57 Total Usable Years: 56

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1937	260.86	363.06	296.75	292.42	259.58	104.71	99.61	96.17	91.84	78.85	106.76	94.34	178.75
1938	106.65	81.95	98.84	372.44	120.59	109.91	129.49	116.36	50.43	40.67	44.12	56.47	110.66
1939	85.48	190.74	547.8	207.41	105.98	107.13	64.25	89.56	90.61	61.39	51.83	56.83	138.25
1940	138.92	225.12	217.02	176.55	94.91	74.12	153.33	105.7	65.11	48.48	61.91	94.94	121.34
1941	151.36	109.64	160.87	146.98	70.47	54.52	152	73.74	45.8	54.38	44.14	104.47	97.36
1942	350.93	219.02	458.74	351.98	103.36	92.8	72.79	77.83	58.32	60.29	70.49	103.24	168.32
1943	307.31	338.17	365.67	315.99	210.18	129.73	106.14	78.03	51.12	45.59	57	64.25	172.43
1944	160.38	179.11	494.18	752.85	373.42	103.6	88.01	70.66	73.38	65.4	54.84	75.12	207.58
1945	98.58	142.06	231.52	114.71	223.76	73.11	99.02	117.77	74.45	63.68	68.99	138.29	120.5
1946	503.86	255.23	253.6	286.49	231.72	163.89	103	94.99	73.27	72.96	71.74	66.48	181.44
1947	154.44	215.4	386.9	350.53	178.49	115.92	119.91	119.05	78.32	105.47	315.52	423.09	213.59
1948	305.75	478.56	528.52	575.82	133.44	106.61	140.64	116.37	68.46	87.97	93.8	681.67	276.47
1949	320.42	372.11	277	216.04	225.56	130.06	138.62	153.46	161.3	83.88	86.04	92.71	188.1
1950	90.34	97.8	190.74	133.9	78.23	88.14	76.39	67.24	80.69	67.52	65.21	82.95	93.26
1951	120.7	110.89	129.51	185.65	97.9	52.73	70.51	82.9	47.95	47.55	64.81	118.05	94.1
1952	172.72	215.97	474.01	317.87	124.31	107.95	50.43	48.48	63.51	54	50.4	62.92	145.21
1953	163.33	241.36	344.01	267.94	366.18	86.35	121.6	87.53	101.79	182.37	69.74	265.54	191.48
1954	251	149.79	137.7	127.2	72.8	52.21	47.12	41.51	33.37	25.11	25.77	40.28	83.66
1955	82.79	134.81	91.14	167.96	72.52	56.38	58.06	68.16	115.58	54.18	43.3	56.56	83.45
1956	54.64	203.4	232.14	235.07	119	61.66	96.26	54.95	52.3	121.63	62.01	71.5	113.71
1957	167.7	147.36	179.1	302.66	265.01	151.16	101.81	80.37	69.89	115.12	104.48	284.21	164.07
1958	169.44	257.32	442.12	372.84	193.72	98.6	130.24	79.87	48.93	46.63	41.14	49.1	160.83
1959	73.56	298.13	384.3	237.91	106.33	187.75	73.82	57.24	56.87	73.57	100.66	103.53	146.14
1960	162.88	504.48	338.57	528.6	134.64	80.47	72.21	67.77	51.05	58.4	46.55	51.85	174.79
1961	63.31	89.09	453.88	427.4	218.48	101.95	115.91	75.96	102.21	48.57	42.19	116	154.58
1962	196.52	191.58	416.63	416.49	126.29	94.44	72.98	64.01	50.43	63.92	58.74	80.66	152.72
1963	175.04	350.56	292.18	166.35	158.93	156.64	246.61	93.93	52.01	61.66	47.84	120.01	160.15
1964	386.16	462.45	578.95	561.24	444.81	100.16	187.44	211.88	100.93	191.73	93.84	179.9	291.62
1965	316.5	419.45	377.76	312.83	107.27	146.97	113.39	97.71	72.73	116.96	71.86	93.69	187.26
1966	250.01	393.71	716.04	164.2	201.56	229.98	103.89	118.06	62.96	85.71	140.52	106.26	214.41
1967	372.39	264.43	192.88	100.88	100.89	100.47	127.32	95.37	105.97	58.13	78.35	150.37	145.62
1968	207.51	119.87	161.92	127.9	102.68	90.97	79.44	57.53	43.01	47.92	66.66	87.92	99.44
1969	111.94	147.58	183.05	179.42	200.69	98.64	62.74	149.24	106.27	66.99	65.84	91.1	121.96
1970	124.7	164.49	248.13	454.26	116.24	117.93	75.93	132.89	76.33	54.3	83.83	89.9	144.91
1971	220.94	270.21	570.21	302.89	223.67	100.53	115.46	187.18	99.97	73.85	73.79	225.11	205.32
1972	392.44	410.56	217.95	157.82	98.55	87.54	97.61	73.98	45.31	36.19	55.75	167.14	153.4
1973	323.65	535.87	294.5	493.93	244.69	265.06	119.56	112.72	65.89	67.19	56.47	84.37	221.99
1974	174.6	397.4	217.13	274.21	100.24	95.63	66.37	101.21	92.84	47.6	49.05	89.66	142.16
1975	236.55	346.62	628.15	540.29	257.03	198.3	163.56	165.05	102.93	135.57	101.75	110.28	248.84
1976	179.81	210.59	261.33	169.12	243.3	191.18	122.06	72.14	66.67	107.83	106.77	303.59	169.53
1977	336.76	170.36	390.3	293.49	90.14	62.4	50.11	79.62	66.92	61.38	125.07	104.33	152.57
1978	237.15	462.51	244.38	148.23	226.76	81.74	55.62	87.78	47.91	41.12	37.37	68.4	144.91
1979	122.38	275.9	466.18	304.22	199.84	94.91	87.97	61.55	76.67	99.18	90.29	99.7	164.9
1980	122.81	198.16	497.31	500.37	148.18	149.87	72.45	48.43	42.62	48.19	48.3	54.62	160.94
1981	52.36	172.58	129.34	198.46	56.08	51.24	35.2	40.87	33.44	30.15	34.19	49.37	73.61
1982	271.85	338.51	191.61	188.19	172.64	128.37	91.56	94.24	55.79	54.43	63.32	161.7	151.02
1983	259.26	394.44	432.06	468.1	148.02	91.19	71.36	53.84	60.89	50.32	67.14	317.62	201.19
1984	294.82	289.28	361.62	288.17	239.76	124.53	95.29	240.74	63.04	49.66	60.47	81.98	182.45
1985	87.54	249.14	131.14	85.53	85.01	50.13	56.16	93.1	58.56	57.73	104.01	185.86	103.66
1986	121.66	206.06	144.41	86.99	42.91	39.96	30.39	32.21	46.37	31.57	68.81	212.15	88.62
1987	405.31	376.35	403.3	225.51	99.95	79.72	86.51	43.07	39.6	28.6	33.89	48.18	155.83
1988	105.42	168.39	163.01	121.99	85.32	36.01	27.73	27.64	74.03	56.44	56.14	63.75	82.16
1989	73.98	66.29	138.36	207.16	103.59	106.76	189.16	99.19	57.25	168.24	73.93	170.47	121.2
1990	315.39	314.27	417.49	198.43	99.8	67.62	47.82	49.45	51.56	55.68	60.44	63.08	145.09
1991	191.58	339.19	384.12	231.85	207.5	114.59	162.03	153.09	82.04	47.55	49.55	64.53	168.97
1992	165.02	281.87	291.13	180.89	65.52	104.63	75.07	104.22	154.42	132.93	166.41	375.89	174.83
1993	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999
Avg	202.67	260.88	318.88	278.83	160.33	106.24	97.68	92.21	70.75	71.29	73.82	133.14	155.56
Std Dev	104.79	117.32	148.8	144.35	83.44	45.29	42.4	42.24	26.33	36.36	42.21	111.91	46.46
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual

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