Site ID: 236 Lat. 13.1454 Cambodia Batdambang
River: Batdambang Long. 103.3267
Site name: Batdambang Contributing area: 4730 km2 Ratio to Comparison Station: 0.40
Latest measurement: 10-Nov-09 Mean annual runoff: 261 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year: 147 mm
Latest M/C ratio: 1.41 Seven day total: 16 mm
Estimated current discharge: 73 m3/sec Percent of mean 7-day total: 95.9 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 504 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 555 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
996 2002 no data no data no data no data no data no data no data 27.4 238.9 494.5 168.1 67.1
133 2003 16.0 6.7 6.0 5.8 6.0 5.8 6.0 6.0 13.1 29.4 23.5 8.3
392 2004 6.0 5.6 6.0 5.8 6.0 6.0 6.0 13.2 113.9 111.5 81.4 30.9
542 2005 8.2 5.4 6.0 8.3 24.2 8.8 6.0 6.6 136.5 266.7 53.1 12.1
218 2006 5.2 4.3 6.0 6.6 5.8 28.3 44.7 26.0 21.0 70.5 0.0 0.0
136 2007 6.0 5.4 6.0 6.0 7.7 7.6 13.4 6.2 7.6 35.8 27.9 6.1
147 2008 6.0 5.6 6.0 5.8 16.7 11.4 7.0 7.6 23.1 32.8 16.2 8.4
382 2009 6.0 5.4 10.0 5.8 75.8 21.3 6.0 6.4 41.5 172.4 31.6 0.0
0 2010 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Mean Annual Runoff (mm): 261 Standard Deviation: 161
Trend in Annual Runoff (slope):  -18.1
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.