MATTAGAMI RIVER AT SMOOTH ROCK FALLS

MATTAGAMI RIVER AT SMOOTH ROCK FALLS
South and East Hudson Bay

Point ID: 4362

Code: 04LB001

Latitude: 49.26°	Distance to Outlet: N/A
Longitude: -81.64°	Yearly Min: 1920
X EASE-Grid: -4388280.00	Yearly Max: 1997
Y EASE-Grid: -644875.00	Number of Years: 77
Drainage Area: 10000.00 km²	Percentage of Coverage: 99%
Drainage Area Effective: 10000.00 km²	Percentage of Coverage by Month: 98%
Source: Hydat	Notes:
Gauge Altitude: N/A

Field Definitions

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Site Descriptor Information	Site Time Series Data
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Statistics

Time Series

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Units:

m³/s

Summary Statistics

Statistic	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Mean	14.68	13.44	16.62	46.68	86.06	41.57	25.83	17.26	19.90	26.32	24.00	17.77	350.13
Standard Deviation	2.69	2.77	4.79	23.20	36.97	20.07	12.54	5.66	12.35	16.36	10.73	5.89	77.78
Min	7.93	7.34	7.85	10.73	17.09	15.19	8.11	6.21	5.68	8.46	8.50	7.82	206.17
Max	22.87	22.23	33.48	114.31	207.54	120.79	64.54	34.81	80.35	102.83	57.28	43.92	718.28
Coefficient of Variation	0.18	0.21	0.29	0.50	0.43	0.48	0.48	0.33	0.62	0.62	0.45	0.33	0.22

Time Series Data

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
1920					102.30	23.95	18.75	14.70	11.64	11.62	11.25	13.34
1921	7.93	7.42	7.85	72.06	95.34	20.81	14.52	19.87	24.26	32.40	15.68	15.13	332.33
1922	13.20	11.39	12.77	68.95	168.18	32.40	34.28	17.46	15.47	22.68	24.11	16.68	435.42
1923	14.49	11.54	8.57	21.95	64.81	28.25	21.99	13.69	32.66	14.81	14.67	12.96	260.00
1924	12.13	10.93	11.46	22.89	57.04	29.55	16.12	16.63	20.71	9.69	15.42	12.96	235.25
1925	9.29	8.96	10.79	43.03	50.35	69.98	43.92	22.50	11.66	18.05	17.68	13.20	319.18
1926	9.32	10.30	13.28	13.56	77.13	44.32	64.54	17.84	15.79	19.63	31.88	27.58	343.40
1927	15.02	11.69	21.00	74.65	104.44	37.58	22.41	16.68	16.20	34.28	23.69	16.60	393.26
1928	10.74	8.71	13.95	36.29	201.65	92.53	60.52	31.87	80.35	102.83	57.28	24.96	718.28
1929	16.15	13.54	16.12	40.18	105.51	77.50	33.74	22.09	25.64	42.85	35.77	17.22	445.44
1930	14.57	12.03	14.86	22.32	119.71	70.50	63.20	22.52	20.81	22.23	19.23	16.44	416.41
1931	13.20	10.44	10.61	40.44	74.72	28.77	17.86	15.02	13.45	22.66	39.40	27.05	312.97
1932	19.58	14.45	16.84	28.25	98.02	25.45	32.40	23.30	28.77	49.81	45.36	20.06	400.63
1933	15.67	14.98	16.50	60.91	101.50	37.07	15.83	16.39	13.71	14.78	15.66	13.34	335.88
1934	11.65	10.30	9.72	10.73	116.22	50.54	22.74	15.91	22.76	23.62	35.51	29.46	357.60
1935	13.20	10.83	13.55	32.40	63.74	41.47	27.05	22.55	16.10	32.94	17.57	12.96	303.45
1936	11.46	10.56	14.03	17.42	137.38	48.47	17.51	12.08	13.35	18.83	16.12	11.89	327.33
1937	11.17	9.54	10.95	33.44	67.22	22.94	43.92	28.12	19.39	38.30	34.21	19.82	337.43
1938	12.64	11.93	26.08	98.24	99.89	59.88	28.66	28.92	15.89	14.89	18.71	14.86	430.29
1939	13.31	10.81	12.00	24.91	139.26	57.54	32.67	14.57	19.13	26.14	17.70	13.34	379.46
1940	12.67	11.10	12.59	19.96	76.06	60.91	33.48	16.20	21.95	20.62	26.18	15.69	326.80
1941	13.39	11.61	16.31	64.28	76.86	31.62	24.13	34.81	56.77	76.86	54.95	43.92	504.33
1942	20.14	13.01	16.01	69.21	69.90	19.57	14.60	13.58	29.55	36.69	24.68	13.66	340.38
1943	12.64	10.54	10.85	22.03	63.20	65.84	27.85	18.67	15.84	15.00	19.62	12.56	294.38
1944	11.89	11.15	11.78	28.51	65.34	29.55	16.04	27.32	31.10	28.92	19.08	14.25	294.24
1945	12.53	10.93	27.05	54.95	61.33	57.28	29.99	12.32	13.84	17.14	23.22	12.59	333.12
1946	11.49	11.64	33.48	45.10	68.02	45.10	23.86	13.10	21.10	15.10	22.50	20.94	330.96
1947	13.74	11.88	13.93	18.77	163.63	120.79	33.21	15.72	12.91	11.68	10.01	8.57	433.45
1948	7.93	7.34	8.38	48.21	58.11	20.53	20.35	18.43	10.57	13.79	17.57	16.34	246.98
1949	12.94	12.22	14.54	57.02	80.34	38.10	20.30	12.69	11.17	11.30	10.91	10.07	291.38
1950	9.91	9.64	10.34	18.64	145.15	74.91	40.17	18.08	13.45	23.91	26.70	19.47	408.28
1951	13.31	13.37	18.43	114.31	57.84	31.10	22.47	15.85	15.03	61.59	51.32	30.26	445.10
1952	17.27	15.23	19.04	55.73	65.08	42.77	32.40	21.00	14.83	16.42	18.51	18.85	336.82
1953	14.35	12.79	22.68	63.76	95.07	42.25	23.25	12.05	32.66	19.92	19.34	22.82	380.48
1954	13.98	13.84	16.28	64.28	85.43	39.66	24.99	16.68	14.67	62.66	43.80	17.65	413.12
1955	15.21	13.52	14.41	59.88	29.99	21.41	12.11	11.41	9.64	20.86	16.77	11.78	237.54
1956	12.35	11.96	15.43	21.33	102.30	48.99	27.58	14.54	22.39	13.82	12.78	12.75	315.13
1957	13.15	13.05	17.22	61.17	39.10	32.92	55.97	13.23	15.40	15.72	42.77	20.86	340.66
1958	16.39	15.62	17.00	29.55	25.92	24.23	20.43	13.77	20.97	32.14	30.84	16.34	263.42
1959	15.37	14.27	16.39	30.33	63.74	25.35	13.47	15.77	16.85	23.14	23.12	16.90	274.26
1960	14.73	14.45	16.42	52.10	207.54	44.58	23.22	18.02	14.88	17.54	27.99	18.13	467.11
1961	14.89	13.57	15.67	35.51	73.38	61.95	57.04	29.19	73.87	35.35	29.29	24.26	463.49
1962	16.12	15.47	18.10	36.29	104.71	22.71	12.16	22.82	33.44	17.25	14.49	13.69	326.33
1963	13.63	13.25	14.65	47.69	64.00	44.84	16.76	13.93	16.17	14.57	16.93	17.78	294.30
1964	15.35	15.15	19.58	74.65	88.11	77.24	25.52	14.14	19.34	37.76	30.59	18.43	436.05
1965	17.62	16.98	19.84	29.81	111.14	22.03	18.50	19.58	43.03	54.90	27.22	22.41	401.44
1966	17.46	19.79	24.93	66.36	72.31	55.47	15.77	17.89	15.21	52.76	38.10	39.63	435.48
1967	22.87	22.23	23.67	102.12	126.67	51.84	25.63	24.10	17.08	16.20	23.22	18.77	474.37
1968	18.45	19.52	26.35	79.31	41.51	54.95	46.06	18.29	18.09	21.21	16.23	16.04	376.64
1969	17.33	14.93	20.09	63.76	78.73	43.29	21.40	19.71	22.32	25.52	30.59	21.48	378.98
1970	18.40	15.76	19.01	31.62	69.90	55.73	35.88	22.95	18.71	19.01	18.43	17.41	342.24
1971	16.28	14.86	17.86	42.25	101.23	32.66	19.58	14.86	13.87	15.96	18.48	16.47	323.46
1972	15.80	15.74	15.48	24.03	95.87	54.43	23.43	14.25	14.90	24.91	17.29	16.01	331.30
1973	16.93	15.20	27.05	60.91	87.84	38.36	27.58	23.27	30.59	22.17	19.21	15.75	384.27
1974	15.13	15.69	19.36	28.25	105.78	48.73	29.73	16.07	17.21	26.06	20.55	16.36	357.73
1975	15.88	14.40	15.91	29.03	67.75	64.54	15.80	9.53	10.89	11.09	18.25	16.18	289.43
1976	16.47	14.18	15.51	97.72	87.84	17.26	12.99	10.10	9.80	13.39	8.50	10.69	314.50
1977	12.35	9.96	18.80	73.87	39.37	18.22	13.90	9.08	20.63	15.80	21.64	15.43	269.55
1978	15.16	13.27	14.11	14.80	99.62	57.80	39.63	15.69	18.25	40.44	21.70	16.44	365.28
1979	15.67	14.13	17.94	71.54	164.16	53.91	18.75	15.72	16.64	33.48	31.36	22.95	474.71
1980	16.82	14.49	14.68	49.77	57.58	25.58	18.50	13.23	15.97	20.54	14.26	14.62	275.91
1981	14.81	14.45	16.95	76.72	66.15	25.92	16.28	9.35	11.46	16.09	16.51	15.93	300.87
1982	15.37	15.76	15.48	27.73	56.24	16.56	24.61	14.17	20.30	50.35	30.59	18.05	304.34
1983	16.23	16.03	17.06	25.79	134.97	64.28	13.90	10.69	15.21	24.32	15.71	16.09	369.12
1984	17.75	17.30	17.54	57.80	31.33	49.25	41.24	15.91	12.96	14.25	20.14	18.18	314.26
1985	16.55	17.40	16.18	50.28	70.97	21.95	27.85	17.03	13.01	16.58	22.84	18.00	308.29
1986	16.25	13.62	15.45	63.24	55.97	16.59	14.33	29.46	28.51	40.17	26.44	17.92	337.59
1987	17.19	14.59	14.35	32.92	17.09	15.19	17.84	18.40	9.85	17.35	14.98	16.34	206.17
1988	14.35	11.35	14.22	58.06	88.64	20.24	12.48	22.15	17.81	19.09	52.88	24.72	355.55
1989	16.36	15.30	16.28	22.14	102.30	50.28	20.81	15.37	11.51	11.03	17.81	15.40	313.73
1990	14.43	14.52	27.32	61.43	84.09	35.51	36.15	14.57	14.26	48.20	33.70	21.37	404.39
1991	16.74	15.15	15.40	71.28	41.24	16.30	8.11	6.21	9.75	18.02	16.30	16.34	251.51
1992	15.27	14.30	16.28	43.03	92.66	16.51	10.47	14.78	19.88	28.39	22.42	18.80	311.87
1993	16.25	15.15	16.04	27.22	79.27	46.40	24.58	19.09	19.08	28.66	20.45	16.47	327.91
1994	16.42	14.69	15.10	27.48	53.29	31.36	18.61	15.32	15.29	17.89	17.65	15.61	258.48
1995	15.93	15.35	23.54	22.16	70.70	36.29	14.06	9.88	8.71	21.53	21.93	16.60	276.10
1997	16.82	18.54	18.21	59.10	99.62	19.78	20.75	6.64	5.68	8.46	11.56	7.82	292.64

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