Site ID:

232

Lat.

12.9616

Cambodia

Kampong Thum

River:

Stoung

Long.

104.4757

Site name:

Phumi Bat Dai

Contributing area:

3861

km2

Ratio to Comparison Station:

0.32

Latest measurement:

10-Nov-09

Mean annual runoff:

182

(2003-2008)

Hydrologic status:

Normal flow

Total runoff this year:

186

Latest M/C ratio:

1.96

Seven day total:

Estimated current discharge:

m3/sec

Percent of mean 7-day total:

280.3

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

Ice-cover determination:

5 yr recurrence flood:

236

m3/sec

(from Log Pearson III analysis)

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

212

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Ban Chot (2969082)

Contributing Area:

sq mi

11886

sq km

(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)

Notes:

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

104

2002

no data

4.6

21.6

67.5

9.7

0.9

2003

0.9

0.8

0.9

2.3

7.9

0.7

0.9

2004

0.9

0.8

0.9

3.5

1.2

5.7

5.0

5.9

1.0

0.9

226

2005

0.9

0.8

0.9

3.3

0.9

66.9

97.6

40.1

11.5

190

2006

1.2

0.7

0.9

0.8

5.6

33.0

61.5

84.5

0.0

126

2007

1.1

0.8

0.9

1.2

1.0

3.2

3.6

13.6

62.9

29.2

7.7

186

2008

1.8

0.8

0.9

3.8

1.0

0.9

12.2

42.8

71.6

35.3

14.0

209

2009

1.2

0.9

4.3

9.4

44.8

101.5

43.4

0.0

2010

0.0

Mean Annual Runoff (mm):

182

Standard Deviation:

Trend in Annual Runoff (slope)

18.2

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