Site ID:

1216

Lat.

-34.9176

Chile

River:

Mataquito

Long.

-71.2541

Site name:

Contributing area:

1702

km2

Ratio to Comparison Station:

0.07

Latest measurement:

16-Nov-09

Mean annual runoff:

205

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

234

Latest M/C ratio:

1.10

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

49.0

(today's value compared to mean for same period, 2003-2007)

Ice-cover determination:

5 yr recurrence flood:

279

m3/sec

(from Log Pearson III analysis)

Status Codes: 1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood

267

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Tokwe Confluence D/s C/s (1495240)

Contributing Area:

7280

sq mi

23237

sq km

(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)

Notes:

Comparison station is placeholder, only; this site is not yet calibrated to actual discharge

Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)

(For U.S, sites, nearby ground station discharge may also be shown)

2008-Present

2002-Present

Annual

Monthly Total Runoff (mm), computed from above satellite-based discharge data

Runoff

(mm)

Jan

Feb

Mar

April

May

June

July

Aug

Sept

Oct

Nov

Dec

2002

no data

27.6

5.9

5.2

8.8

19.4

259

2003

26.9

13.4

69.8

7.0

22.1

79.5

5.2

5.6

14.7

5.2

3.9

5.2

323

2004

30.9

78.6

61.7

8.3

14.5

53.7

5.2

34.8

0.7

5.9

5.1

23.5

239

2005

0.7

58.4

34.1

5.1

6.1

10.0

64.1

7.9

5.6

5.2

8.9

32.6

115

2006

23.6

10.2

3.7

5.4

5.2

7.1

34.5

15.2

5.1

5.2

0.0

2007

15.5

6.8

6.9

6.7

5.2

5.4

5.3

5.2

5.1

5.2

5.1

17.7

234

2008

12.2

35.5

16.8

7.1

11.4

30.1

10.5

6.2

7.6

24.1

31.2

41.4

2009

14.1

4.7

16.2

5.1

5.2

5.1

5.3

11.0

7.0

5.2

3.9

0.0

Discharge is estimated directly via a rating equation from the remote sensing data (M/C ratio) shown below.