Site ID:

1259

Lat.

-26.9312

South Africa

Kwa Zulu/Natal

River:

Maputo

Long.

32.3257

Site name:

Catuane

Contributing area:

28645

km2

Ratio to Comparison Station:

1.70

Latest measurement:

16-Nov-09

Mean annual runoff:

192

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

226

Latest M/C ratio:

1.10

Seven day total:

Estimated current discharge:

396

m3/sec

Percent of mean 7-day total:

169.7

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

Ice-cover determination:

5 yr recurrence flood:

1756

m3/sec

(from Log Pearson III analysis)

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

1762

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Mandini (1160880)

Contributing Area:

7280

sq mi

16866

sq km

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

Notes:

Rating equation is based on monthly mean, maximum, and minimum M/C compared to gaging station discharge values.

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

8.6

11.9

10.0

12.8

12.7

2003

10.2

11.3

8.6

5.8

5.4

5.6

7.9

6.7

5.9

7.9

9.5

9.8

117

2004

13.9

14.4

16.1

8.9

9.6

8.3

6.5

7.7

6.4

6.9

8.0

9.8

224

2005

8.1

21.4

17.0

27.4

20.9

9.7

0.9

13.7

14.3

25.1

26.8

38.7

239

2006

19.0

35.5

44.3

28.3

22.9

14.9

15.2

10.1

15.6

32.9

0.0

285

2007

42.4

23.2

15.7

27.2

13.5

12.8

11.5

13.4

11.8

41.4

48.3

23.9

226

2008

25.5

17.4

20.0

19.5

16.6

14.9

14.1

13.1

11.6

26.2

28.3

18.6

234

2009

18.7

26.9

37.0

21.6

19.9

15.6

13.0

15.9

14.0

16.7

34.7

0.0

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