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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Site Time Series Plot

Site Data:

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Statistics

Time Series

All

Units:

m³/s

Summary Statistics

Statistic	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Mean	54.80	55.09	62.08	180.08	321.35	160.38	96.47	64.47	76.79	98.28	92.58	66.37	110.94
Standard Deviation	10.05	11.34	17.87	89.51	138.05	77.42	46.83	21.12	47.66	61.10	41.41	22.01	24.64
Min	29.60	30.10	29.30	41.40	63.80	58.60	30.30	23.20	21.90	31.60	32.80	29.20	65.33
Max	85.40	91.10	125.00	441.00	775.00	466.00	241.00	130.00	310.00	384.00	221.00	164.00	227.59
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					382.00	92.40	70.00	54.90	44.90	43.40	43.40	49.80
1921	29.60	30.40	29.30	278.00	356.00	80.30	54.20	74.20	93.60	121.00	60.50	56.50	105.30
1922	49.30	46.70	47.70	266.00	628.00	125.00	128.00	65.20	59.70	84.70	93.00	62.30	137.97
1923	54.10	47.30	32.00	84.70	242.00	109.00	82.10	51.10	126.00	55.30	56.60	48.40	82.38
1924	45.30	44.80	42.80	88.30	213.00	114.00	60.20	62.10	79.90	36.20	59.50	48.40	74.54
1925	34.70	36.70	40.30	166.00	188.00	270.00	164.00	84.00	45.00	67.40	68.20	49.30	101.13
1926	34.80	42.20	49.60	52.30	288.00	171.00	241.00	66.60	60.90	73.30	123.00	103.00	108.81
1927	56.10	47.90	78.40	288.00	390.00	145.00	83.70	62.30	62.50	128.00	91.40	62.00	124.61
1928	40.10	35.70	52.10	140.00	753.00	357.00	226.00	119.00	310.00	384.00	221.00	93.20	227.59
1929	60.30	55.50	60.20	155.00	394.00	299.00	126.00	82.50	98.90	160.00	138.00	64.30	141.14
1930	54.40	49.30	55.50	86.10	447.00	272.00	236.00	84.10	80.30	83.00	74.20	61.40	131.94
1931	49.30	42.80	39.60	156.00	279.00	111.00	66.70	56.10	51.90	84.60	152.00	101.00	99.17
1932	73.10	59.20	62.90	109.00	366.00	98.20	121.00	87.00	111.00	186.00	175.00	74.90	126.94
1933	58.50	61.40	61.60	235.00	379.00	143.00	59.10	61.20	52.90	55.20	60.40	49.80	106.42
1934	43.50	42.20	36.30	41.40	434.00	195.00	84.90	59.40	87.80	88.20	137.00	110.00	113.31
1935	49.30	44.40	50.60	125.00	238.00	160.00	101.00	84.20	62.10	123.00	67.80	48.40	96.15
1936	42.80	43.30	52.40	67.20	513.00	187.00	65.40	45.10	51.50	70.30	62.20	44.40	103.72
1937	41.70	39.10	40.90	129.00	251.00	88.50	164.00	105.00	74.80	143.00	132.00	74.00	106.92
1938	47.20	48.90	97.40	379.00	373.00	231.00	107.00	108.00	61.30	55.60	72.20	55.50	136.34
1939	49.70	44.30	44.80	96.10	520.00	222.00	122.00	54.40	73.80	97.60	68.30	49.80	120.23
1940	47.30	45.50	47.00	77.00	284.00	235.00	125.00	60.50	84.70	77.00	101.00	58.60	103.55
1941	50.00	47.60	60.90	248.00	287.00	122.00	90.10	130.00	219.00	287.00	212.00	164.00	159.80
1942	75.20	53.30	59.80	267.00	261.00	75.50	54.50	50.70	114.00	137.00	95.20	51.00	107.85
1943	47.20	43.20	40.50	85.00	236.00	254.00	104.00	69.70	61.10	56.00	75.70	46.90	93.28
1944	44.40	45.70	44.00	110.00	244.00	114.00	59.90	102.00	120.00	108.00	73.60	53.20	93.23
1945	46.80	44.80	101.00	212.00	229.00	221.00	112.00	46.00	53.40	64.00	89.60	47.00	105.55
1946	42.90	47.70	125.00	174.00	254.00	174.00	89.10	48.90	81.40	56.40	86.80	78.20	104.87
1947	51.30	48.70	52.00	72.40	611.00	466.00	124.00	58.70	49.80	43.60	38.60	32.00	137.34
1948	29.60	30.10	31.30	186.00	217.00	79.20	76.00	68.80	40.80	51.50	67.80	61.00	78.26
1949	48.30	50.10	54.30	220.00	300.00	147.00	75.80	47.40	43.10	42.20	42.10	37.60	92.33
1950	37.00	39.50	38.60	71.90	542.00	289.00	150.00	67.50	51.90	89.30	103.00	72.70	129.37
1951	49.70	54.80	68.80	441.00	216.00	120.00	83.90	59.20	58.00	230.00	198.00	113.00	141.03
1952	64.50	62.40	71.10	215.00	243.00	165.00	121.00	78.40	57.20	61.30	71.40	70.40	106.72
1953	53.60	52.40	84.70	246.00	355.00	163.00	86.80	45.00	126.00	74.40	74.60	85.20	120.56
1954	52.20	56.70	60.80	248.00	319.00	153.00	93.30	62.30	56.60	234.00	169.00	65.90	130.90
1955	56.80	55.40	53.80	231.00	112.00	82.60	45.20	42.60	37.20	77.90	64.70	44.00	75.27
1956	46.10	49.00	57.60	82.30	382.00	189.00	103.00	54.30	86.40	51.60	49.30	47.60	99.85
1957	49.10	53.50	64.30	236.00	146.00	127.00	209.00	49.40	59.40	58.70	165.00	77.90	107.94
1958	61.20	64.00	63.50	114.00	96.80	93.50	76.30	51.40	80.90	120.00	119.00	61.00	83.47
1959	57.40	58.50	61.20	117.00	238.00	97.80	50.30	58.90	65.00	86.40	89.20	63.10	86.90
1960	55.00	59.20	61.30	201.00	775.00	172.00	86.70	67.30	57.40	65.50	108.00	67.70	148.01
1961	55.60	55.60	58.50	137.00	274.00	239.00	213.00	109.00	285.00	132.00	113.00	90.60	146.86
1962	60.20	63.40	67.60	140.00	391.00	87.60	45.40	85.20	129.00	64.40	55.90	51.10	103.40
1963	50.90	54.30	54.70	184.00	239.00	173.00	62.60	52.00	62.40	54.40	65.30	66.40	93.25
1964	57.30	62.10	73.10	288.00	329.00	298.00	95.30	52.80	74.60	141.00	118.00	68.80	138.17
1965	65.80	69.60	74.10	115.00	415.00	85.00	69.10	73.10	166.00	205.00	105.00	83.70	127.20
1966	65.20	81.10	93.10	256.00	270.00	214.00	58.90	66.80	58.70	197.00	147.00	148.00	137.98
1967	85.40	91.10	88.40	394.00	473.00	200.00	95.70	90.00	65.90	60.50	89.60	70.10	150.31
1968	68.90	80.00	98.40	306.00	155.00	212.00	172.00	68.30	69.80	79.20	62.60	59.90	119.34
1969	64.70	61.20	75.00	246.00	294.00	167.00	79.90	73.60	86.10	95.30	118.00	80.20	120.08
1970	68.70	64.60	71.00	122.00	261.00	215.00	134.00	85.70	72.20	71.00	71.10	65.00	108.44
1971	60.80	60.90	66.70	163.00	378.00	126.00	73.10	55.50	53.50	59.60	71.30	61.50	102.49
1972	59.00	64.50	57.80	92.70	358.00	210.00	87.50	53.20	57.50	93.00	66.70	59.80	104.97
1973	63.20	62.30	101.00	235.00	328.00	148.00	103.00	86.90	118.00	82.80	74.10	58.80	121.76
1974	56.50	64.30	72.30	109.00	395.00	188.00	111.00	60.00	66.40	97.30	79.30	61.10	113.35
1975	59.30	59.00	59.40	112.00	253.00	249.00	59.00	35.60	42.00	41.40	70.40	60.40	91.71
1976	61.50	58.10	57.90	377.00	328.00	66.60	48.50	37.70	37.80	50.00	32.80	39.90	99.65
1977	46.10	40.80	70.20	285.00	147.00	70.30	51.90	33.90	79.60	59.00	83.50	57.60	85.41
1978	56.60	54.40	52.70	57.10	372.00	223.00	148.00	58.60	70.40	151.00	83.70	61.40	115.74
1979	58.50	57.90	67.00	276.00	613.00	208.00	70.00	58.70	64.20	125.00	121.00	85.70	150.42
1980	62.80	59.40	54.80	192.00	215.00	98.70	69.10	49.40	61.60	76.70	55.00	54.60	87.42
1981	55.30	59.20	63.30	296.00	247.00	100.00	60.80	34.90	44.20	60.10	63.70	59.50	95.33
1982	57.40	64.60	57.80	107.00	210.00	63.90	91.90	52.90	78.30	188.00	118.00	67.40	96.43
1983	60.60	65.70	63.70	99.50	504.00	248.00	51.90	39.90	58.70	90.80	60.60	60.10	116.96
1984	66.30	70.90	65.50	223.00	117.00	190.00	154.00	59.40	50.00	53.20	77.70	67.90	99.58
1985	61.80	71.30	60.40	194.00	265.00	84.70	104.00	63.60	50.20	61.90	88.10	67.20	97.68
1986	60.70	55.80	57.70	244.00	209.00	64.00	53.50	110.00	110.00	150.00	102.00	66.90	106.97
1987	64.20	59.80	53.60	127.00	63.80	58.60	66.60	68.70	38.00	64.80	57.80	61.00	65.33
1988	53.60	46.50	53.10	224.00	331.00	78.10	46.60	82.70	68.70	71.30	204.00	92.30	112.66
1989	61.10	62.70	60.80	85.40	382.00	194.00	77.70	57.40	44.40	41.20	68.70	57.50	99.41
1990	53.90	59.50	102.00	237.00	314.00	137.00	135.00	54.40	55.00	180.00	130.00	79.80	128.13
1991	62.50	62.10	57.50	275.00	154.00	62.90	30.30	23.20	37.60	67.30	62.90	61.00	79.69
1992	57.00	58.60	60.80	166.00	346.00	63.70	39.10	55.20	76.70	106.00	86.50	70.20	98.82
1993	60.70	62.10	59.90	105.00	296.00	179.00	91.80	71.30	73.60	107.00	78.90	61.50	103.90
1994	61.30	60.20	56.40	106.00	199.00	121.00	69.50	57.20	59.00	66.80	68.10	58.30	81.90
1995	59.50	62.90	87.90	85.50	264.00	140.00	52.50	36.90	33.60	80.40	84.60	62.00	87.48
1997	62.80	76.00	68.00	228.00	372.00	76.30	77.50	24.80	21.90	31.60	44.60	29.20	92.72

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