Site ID:

2217

Lat.

14.9906

Philippines

Zambales

River:

Pinatubo River South

Long.

120.2108

Site name:

San Marcelino

Contributing area:

267

km2

Ratio to Comparison Station:

0.01

Latest measurement:

21-Nov-09

Mean annual runoff:

1968

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

2844

Latest M/C ratio:

1.11

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

386.1

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

Ice-cover determination:

5 yr recurrence flood:

569

m3/sec

(from Log Pearson III analysis)

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

544

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

839

2002

no data

52.6

154.9

560.6

32.2

38.4

1753

2003

107.5

170.5

78.0

61.6

55.2

363.6

68.9

559.2

160.3

62.3

26.9

39.0

1089

2004

184.5

122.9

246.2

143.3

134.7

59.5

33.3

32.2

33.3

32.2

33.3

1615

2005

53.2

84.0

527.9

32.2

33.3

32.2

33.3

628.3

57.9

33.6

65.3

33.3

3027

2006

33.3

30.1

33.3

32.2

33.3

32.2

416.5

1885.1

95.1

435.8

0.0

2356

2007

33.3

30.1

33.3

32.2

33.8

32.2

39.7

792.6

310.8

235.8

538.2

243.8

2844

2008

33.3

31.2

33.3

32.2

287.6

463.0

661.6

908.1

188.5

138.8

33.0

33.3

3715

2009

33.3

30.1

33.3

32.2

33.3

1663.3

702.5

521.7

135.0

427.7

103.1

0.0

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