Tolva At Istok

Tolva At Istok
North European Russia

Point ID: 9031

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Code: 71239

Latitude: 67.50°	Distance to Outlet: 2.80
Longitude: 31.50°	Yearly Min: 1934
X EASE-Grid: 1298875.00	Yearly Max: 1985
Y EASE-Grid: -2119488.00	Number of Years: 30
Drainage Area: 3080.00 km²	Percentage of Coverage: 58%
Drainage Area Effective: 3080.00 km²	Percentage of Coverage by Month: 54%
Source: SHI	Notes:
Gauge Altitude: 134.79

Field Definitions

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Statistics

Units:

m³/s

Summary Statistics

Statistic	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Mean	22.19	19.00	17.50	16.54	57.98	89.13	52.43	41.45	39.06	41.07	34.12	26.97	38.33
Standard Deviation	4.65	4.16	2.74	2.78	25.34	25.23	16.14	14.20	9.01	10.43	7.35	4.17	5.94
Min	12.90	12.00	12.40	11.00	24.90	37.80	27.00	22.80	21.10	22.90	22.10	19.90	24.42
Max	31.80	29.50	24.70	23.70	101.00	141.00	108.00	75.80	60.30	60.90	55.90	35.90	49.82
Coefficient of Variation	0.21	0.22	0.16	0.17	0.44	0.28	0.31	0.34	0.23	0.25	0.21	0.15	0.15

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