Site ID:

1261

Lat.

-22.6127

Mozambique

Gaza

River:

Changane

Long.

33.0605

Site name:

Chigubo

Contributing area:

16472

km2

Ratio to Comparison Station:

0.98

Latest measurement:

2-Nov-09

Mean annual runoff:

115

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

Latest M/C ratio:

0.99

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

65.5

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

Ice-cover determination:

5 yr recurrence flood:

307

m3/sec

(from Log Pearson III analysis)

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

321

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Tokwe Confluence U/s C/s (1495200)

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

17.2

16.4

23.9

21.0

15.1

205

2003

9.6

6.9

37.2

29.0

21.7

18.6

19.6

14.9

13.3

13.8

9.6

10.5

145

2004

7.2

6.0

29.9

18.7

13.3

12.3

11.6

8.9

9.1

7.7

2005

9.1

5.9

7.0

6.6

6.1

5.2

0.6

4.8

5.0

6.5

8.1

10.8

2006

6.8

4.9

6.3

5.2

6.0

6.7

6.0

5.8

6.6

0.0

2007

8.5

7.1

7.8

7.4

6.9

6.0

5.8

6.2

5.6

7.0

8.1

13.5

2008

10.0

4.9

5.7

4.6

5.4

4.6

4.7

5.3

5.7

6.4

7.1

15.5

2009

18.7

5.3

4.7

5.8

4.7

4.8

4.3

4.6

5.7

0.9

0.0

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