Site ID:

1186

Lat.

-21.7267

Brazil

River:

Paraiba Do Sul

Long.

-41.3696

Site name:

Contributing area:

47220

km2

Ratio to Comparison Station:

2.03

Latest measurement:

15-Nov-09

Mean annual runoff:

184

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

262

Latest M/C ratio:

1.20

Seven day total:

Estimated current discharge:

388

m3/sec

Percent of mean 7-day total:

197.2

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

Ice-cover determination:

5 yr recurrence flood:

1394

m3/sec

(from Log Pearson III analysis)

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

1345

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

14.0

7.9

10.4

3.7

8.3

120

2003

8.0

17.1

14.4

13.4

9.5

9.6

11.7

11.0

8.5

9.1

3.3

4.7

149

2004

15.5

9.5

17.4

13.1

14.9

14.4

16.4

10.1

12.7

7.9

7.8

9.3

175

2005

14.3

14.7

22.4

24.3

16.2

14.4

2.0

19.2

12.9

15.3

9.2

10.0

168

2006

21.8

21.4

5.4

8.8

10.4

17.5

25.2

24.3

22.6

10.5

0.0

307

2007

38.0

48.2

38.4

21.4

17.8

21.7

25.1

28.6

20.1

21.7

13.0

13.4

262

2008

15.8

15.0

22.2

21.6

26.9

23.8

24.5

22.1

17.6

15.4

11.8

45.5

343

2009

62.3

56.2

37.0

28.1

23.0

25.2

27.8

31.1

21.9

18.0

12.2

0.0

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