Site ID:

278

Lat.

13.1449

Nicaragua

Zelaya

River:

Grande de Matgalpa

Long.

-83.9097

Site name:

Makantaka

Contributing area:

16960

km2

Ratio to Comparison Station:

0.73

Latest measurement:

10-Nov-09

Mean annual runoff:

104

(2003-2007)

Hydrologic status:

Flood

Total runoff this year:

450

Latest M/C ratio:

1.25

Seven day total:

Estimated current discharge:

572

m3/sec

Percent of mean 7-day total:

447.0

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

Ice-cover determination:

5 yr recurrence flood:

1249

m3/sec

(from Log Pearson III analysis)

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

1210

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

2.8

0.8

0.5

2003

0.5

1.3

1.1

6.8

3.7

5.9

0.5

0.4

0.5

2004

0.5

1.9

2.3

2.4

2.6

0.5

183

2005

0.5

3.7

18.5

13.6

5.2

0.1

56.1

68.4

13.1

0.9

2.3

127

2006

3.0

4.2

0.7

1.8

1.4

7.2

32.8

45.0

24.6

6.8

0.0

172

2007

0.8

1.9

1.0

0.8

0.5

23.6

40.0

28.2

35.3

25.8

13.2

450

2008

0.6

0.5

1.1

2.3

3.1

0.5

140.5

99.6

66.2

57.1

58.7

20.2

325

2009

0.9

0.7

3.6

26.5

0.5

2.5

64.6

83.6

58.9

52.7

30.8

0.0

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