Site ID:

2422

Lat.

19.0549

Dominican Rep

River:

Yuna

Long.

-70.1950

Site name:

Contributing area:

1195

km2

Ratio to Comparison Station:

0.05

Latest measurement:

7-Nov-09

Mean annual runoff:

4375

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

10316

Latest M/C ratio:

1.14

Seven day total:

Estimated current discharge:

146

m3/sec

Percent of mean 7-day total:

79.8

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

Ice-cover determination:

5 yr recurrence flood:

1234

m3/sec

(from Log Pearson III analysis)

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

1162

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

5.8

6.2

7.4

7.2

7.4

446

2003

23.4

94.4

191.4

28.1

13.0

6.7

12.8

7.4

14.7

7.4

7.8

39.1

234

2004

84.1

74.7

7.4

7.2

7.4

7.2

7.4

6.5

7.4

7.2

9.4

4395

2005

46.3

30.8

505.7

481.5

390.5

112.4

210.2

600.3

291.7

546.9

312.3

866.0

6485

2006

1478.2

1428.5

407.5

473.0

597.4

699.5

442.0

422.1

314.4

222.1

0.0

10317

2007

1764.7

1386.9

467.0

491.5

776.9

864.5

829.9

399.3

338.4

330.2

918.4

1749.6

10316

2008

1896.0

768.5

422.7

164.6

1035.9

1397.9

864.0

315.4

301.3

583.5

830.5

1735.7

7270

2009

1547.6

732.4

355.9

511.1

672.7

1184.2

948.8

412.5

340.2

468.2

95.9

0.0

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