Site ID:

285

Lat.

-15.3742

Zambia

Western

River:

Zambezi

Long.

22.9925

Site name:

Mongu

Contributing area:

284539

km2

Ratio to Comparison Station:

12.25

Latest measurement:

8-Nov-09

Mean annual runoff:

232

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

237

Latest M/C ratio:

1.25

Seven day total:

Estimated current discharge:

577

m3/sec

Percent of mean 7-day total:

146.8

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

Ice-cover determination:

5 yr recurrence flood:

12478

m3/sec

(from Log Pearson III analysis)

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

11968

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

2.5

1.4

2.0

2.2

2.6

275

2003

8.6

25.2

49.1

81.5

63.1

24.8

8.8

4.8

3.4

2.3

1.2

2.2

274

2004

3.9

38.2

62.3

72.8

55.6

21.7

6.6

3.7

2.3

2.4

1.8

2.9

142

2005

6.6

31.1

27.6

26.5

19.6

9.8

0.8

5.1

3.7

4.7

1.8

4.7

195

2006

1.7

6.5

52.8

60.9

41.8

15.2

6.2

4.3

2.9

2.6

0.0

272

2007

29.6

60.6

54.0

46.5

33.8

14.6

9.3

7.0

5.3

4.2

3.8

2.9

237

2008

11.6

57.2

50.8

45.0

32.0

12.0

7.2

5.3

4.4

3.8

3.9

3.6

230

2009

11.3

35.0

64.9

54.4

32.0

12.3

6.4

5.1

3.9

3.7

1.3

0.0

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