TONSINA R AT TONSINA AK

TONSINA R AT TONSINA AK
Yukon

Point ID: 9219

Code: 15208000

Latitude: 61.66°	Distance to Outlet: N/A
Longitude: -145.18°	Yearly Min: 1950
X EASE-Grid: -1780820.00	Yearly Max: 1982
Y EASE-Grid: 2560928.00	Number of Years: 33
Drainage Area: 1087.80 km²	Percentage of Coverage: 100%
Drainage Area Effective: 1087.80 km²	Percentage of Coverage by Month: 95%
Source: USGS	Notes:
Gauge Altitude: 457.20

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	8.54	6.56	6.70	6.87	41.79	170.75	183.44	135.72	74.02	32.24	15.35	10.82	692.68
Standard Deviation	2.51	2.00	1.95	1.99	21.23	60.60	38.98	26.57	34.31	13.03	5.93	3.67	129.66
Min	3.83	2.71	2.55	2.62	17.16	84.30	109.49	70.86	32.57	17.62	7.65	5.39	423.30
Max	15.04	13.84	13.27	11.63	99.21	316.09	285.06	205.63	191.35	73.70	32.41	20.91	955.49
Coefficient of Variation	0.29	0.30	0.29	0.29	0.51	0.35	0.21	0.20	0.46	0.40	0.39	0.34	0.19

Time Series Data

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
1950										18.75	7.65	7.31
1951	6.61	5.55	6.11	6.07	33.35	111.20	204.88	126.20	191.35	44.24	22.94	10.46	766.51
1952	6.97	5.72	5.93	5.74	18.38	132.10	173.94	129.46	52.69	66.59	27.27	20.91	641.77
1953	11.85	7.62	4.88	5.91	58.66	316.09	233.26	148.71	74.23	24.87	13.49	11.15	908.49
1954	9.06	6.99	6.48	5.53	71.50	178.13	161.08	179.18	77.96	26.07	19.54	9.76	747.65
1955										21.30	8.77	7.67
1956	6.97	6.35	7.67	9.45	29.16	159.71	214.06	128.34	45.52	17.62	10.64	19.72	651.41
1957	6.83	3.90	7.26	8.77	68.67	252.80	136.50	145.00	160.36	73.70	32.41	13.88	908.94
1958	12.17	7.33	7.31	5.87	34.87	283.79	180.80	97.88	41.41	25.50	13.56	8.01	717.55
1959	5.62	4.65	5.10	4.32	39.52	272.01	175.81	140.48	41.65	38.89	18.22	12.53	756.58
1960	8.34	5.72	6.16	5.46	97.25	191.53	185.07	146.82	112.88	33.85	14.17	13.22	816.89
1961	12.23	7.67	6.33	5.37	55.37	159.55	173.22	166.39	79.36	34.28	14.17	8.37	718.51
1962	6.20	5.27	5.51	5.94	30.07	244.32	196.27	154.87	48.70	29.30	14.17	10.46	748.33
1963	8.37	6.35	6.90	6.68	43.12	119.72	259.15	160.94	92.95	25.10	10.80	9.76	744.51
1964	9.06	6.99	6.97	8.77	25.00	229.81	205.85	133.87	58.52	28.64	21.50	14.25	746.86
1965	8.93	7.62	8.37	8.10	17.93	84.30	159.80	114.83	85.98	35.56	15.52	10.46	554.45
1966	7.67	6.35	6.69	6.07	21.18	184.56	160.50	115.54	83.76	34.63	17.54	11.15	654.01
1967	8.37	6.03	5.58	5.12	35.98	154.76	150.91	111.13	69.51	25.03	12.22	9.49	591.94
1968	9.06	8.70	10.84	8.66	61.97	187.53	199.09	118.62	53.58	19.08	11.29	10.14	695.38
1969	8.88	6.69	6.08	6.91	26.32	126.22	154.45	70.86	35.29	19.91	10.91	8.23	478.62
1970	6.72	5.49	5.82	7.36	30.72	105.23	143.56	125.53	52.68	22.25	12.14	8.07	522.46
1971	6.67	5.19	5.05	5.84	21.91	121.30	186.49	143.88	50.42	28.49	15.92	11.69	598.85
1972	9.62	6.90	6.61	6.41	57.70	138.61	197.73	147.97	79.54	40.89	21.09	10.97	719.74
1973	7.29	5.49	5.33	5.54	17.16	103.62	109.49	106.75	32.57	18.48	8.39	5.39	423.30
1974	3.83	2.71	2.55	2.62	36.74	98.22	143.20	133.15	96.22	30.47	10.44	5.96	563.00
1975	5.29	4.76	5.11	5.32	25.44	131.39	243.45	124.20	100.19	39.08	9.02	7.98	697.14
1976	5.69	4.67	4.88	5.29	35.98	164.61	156.69	133.49	50.91	30.48	22.82	17.99	630.51
1977	15.04	13.84	13.27	11.63	48.34	245.67	285.06	184.71	82.20	35.20	13.53	11.38	955.49
1978	10.01	7.94	7.47	7.38	26.11	107.58	132.18	127.82	56.56	19.95	8.91	7.60	516.82
1979	6.97	5.93	6.40	11.36	43.61	137.49	174.30	136.32	62.34	41.49	16.38	12.66	651.50
1980	12.01	9.94	9.29	9.78	51.01	206.24	230.68	139.51	57.33	30.48	12.57	6.49	771.71
1981	11.75	6.81	7.26	7.82	99.21	191.69	197.10	205.63	71.84	51.52	23.30	13.20	881.48
1982	10.48	8.32	8.37	7.83	33.34	153.52	162.09	109.06	96.11

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