HALFWAY RIVER ABOVE GRAHAM RIVER
Mackenzie

Point ID: 876

Downloads | Plots | Site Data

Code: 07FA003

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Latitude: 56.50° Distance to Outlet: N/A Longitude: -122.24° Yearly Min: 1977 X EASE-Grid: -3106132.00 Yearly Max: 1995 Y EASE-Grid: 1959066.00 Number of Years: 19 Drainage Area: 3780.00 km2 Percentage of Coverage: 100% Drainage Area Effective: 3780.00 km2 Percentage of Coverage by Month: 96% Source: Hydat Notes: Gauge Altitude: N/A

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Field Definitions

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Site Descriptor Information	Site Time Series Data
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Site Time Series Plot

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Site Data:

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Statistics

Time Series

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Units:	mm	m3/s

Summary Statistics

Statistic	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Mean	3.89	3.01	3.46	8.98	42.25	80.42	65.62	36.36	24.05	16.45	8.20	5.66	295.82
Standard Deviation	0.93	0.62	0.62	4.32	20.13	31.97	32.08	31.45	10.35	6.11	2.39	1.35	68.76
Min	2.25	1.54	2.23	5.09	13.67	42.38	21.40	7.94	9.12	7.94	4.72	3.30	199.65
Max	5.24	4.09	4.78	19.75	85.72	177.60	126.81	126.11	43.75	27.06	13.10	8.22	429.06
Coefficient of Variation	0.24	0.21	0.18	0.48	0.48	0.40	0.49	0.86	0.43	0.37	0.29	0.24	0.23

Time Series Data

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
1977									32.64	27.06	13.10	7.23
1978	5.24	4.09	4.02	7.89	44.35	74.06	21.40	15.16	19.13	13.11	9.60	4.97	223.02
1979	2.25	1.54	2.23	5.09	21.25	42.38	65.32	20.83	43.75	24.94	11.11	4.82	244.57
1980	2.84	1.98	3.09	6.07	13.67	77.49	68.65	30.11	31.34	25.08	10.49	6.76	276.87
1981	4.22	2.49	2.54	6.14	85.72	86.40	42.65	20.90	22.35	12.68	7.68	5.64	298.30
1982	3.92	3.24	3.53	8.37	65.25	82.97	45.13	21.82	15.50	12.19	6.58	4.85	272.44
1983	3.35	2.88	3.27	6.38	23.45	70.63	90.68	27.35	13.10	8.79	4.72	3.30	256.63
1984	2.44	2.72	3.89	5.58	27.84	177.60	40.10	20.26	24.00	18.21	10.15	7.58	341.61
1985	4.97	3.06	3.44	7.54	23.80	61.30	36.20	7.94	41.01	16.86	6.23	5.87	218.37
1986	4.36	2.94	3.15	5.81	31.88	43.41	85.02	43.78	20.02	26.57	11.86	7.08	283.68
1987	5.17	3.91	3.63	8.78	41.66	67.20	88.56	126.11	29.90	16.37	8.98	6.33	403.42
1988	4.17	3.47	3.86	19.75	71.56	81.60	47.11	19.55	9.12	7.94	5.47	5.19	277.90
1989	3.59	2.88	3.42	11.25	61.28	65.21	59.37	55.90	30.72	22.53	6.46	6.50	327.19
1990	5.04	3.22	3.88	9.19	61.99	131.66	59.58	20.33	11.25	8.57	5.49	3.79	323.62
1991	3.50	3.22	3.10	7.54	37.41	51.15	39.11	15.09	15.91	11.97	7.34	4.92	199.65
1992	3.38	2.79	3.65	14.74	31.46	68.43	30.18	12.12	10.49	14.10	6.26	3.71	201.22
1993	2.84	2.70	2.64	6.75	31.46	96.00	126.81	100.60	35.38	13.89	7.06	5.67	429.06
1994	4.55	3.58	4.78	18.24	56.04	74.06	119.73	49.73	21.26	16.01	7.47	5.14	378.06
1995	4.18	3.43	4.09	6.57	30.39	96.00	115.48	46.97	30.10	15.73	9.74	8.22	369.22

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