Global River Discharge Database

Results

Country: U.S.A. Station: GrandRapids, Mich. River: Grand Area: 12691 km2 Lat: 42.96 Lon: -85.68 Source: RivDIS PointID: 398 Area Units: km2 Discharge Units: m3/sec Starting Year: 1965 Ending Year: 1984 Total Years: 20 Total Usable Years: 20

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1965	51	170	208	307	71	43	22	29	54	49	48	117	97.42
1966	97	106	181	131	135	53	39	35	29	34	62	135	86.42
1967	66	98	198	334	116	100	62	41	36	53	101	153	113.17
1968	78.5	232	104	146	86.5	121	164	59	47	47.5	63	95	103.63
1969	133	156	105	210	182	112	101	49	30	49.5	63.5	56	103.92
1970	44.5	57	121	217	124	106	66	43	68	98	131	124	99.96
1971	81	155	305	154	74	57	36	29	39.5	42.5	41	130	95.33
1972	124	73.5	227	264	130	72	61	79	89.5	97.3	158	144	126.61
1973	340	134	317	266	184	161	72	61.5	46	57	96	137	155.96
1974	246	241	405	303	216	124	57.5	52	45.5	55	78	77.5	158.38
1975	163	146	224	308	170	118	59	85	215	74.5	97	230	157.46
1976	95	271	422	220	252	80	90	45	38	47	50	45	137.92
1977	41	55	158	138	65	41	31	33	49	60	50	95	68
1978	65	55	153	277	106	55	44	40	50	50	50	60	83.75
1979	70	55	278	200	124	65	60	42	32	37	55	90	92.33
1980	90	62	120	193	100	102	49.5	82	85	76	63.5	118	95.08
1981	60	189	152	197	203	103	47	42	61.5	255	106	96.5	126
1982	76.5	68	334	236	85.5	99.5	77.5	53.5	48	47.5	98	211	119.58
1983	117	129	162	301	240	108	57	47	53	58.5	81.5	122	123
1984	66.5	174	158	165	127	101	45.5	33.5	37	49.5	68	91	93
Avg	105.25	131.32	216.6	228.35	139.55	91.08	62.05	49.03	57.65	66.89	78.03	116.35	111.85
Std Dev	70.98	65.81	93.98	62.13	55.5	30.78	29.89	16.37	39.47	46.31	29.81	45.33	25.1
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual

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