Site ID: 237 Lat. 13.8448 Cambodia Preah Vihear
River: Sen Long. 104.8285
Site name: Bahal Contributing area: 4844 km2 Ratio to Comparison Station: 0.01
Latest measurement: 29-Jul-10 Mean annual runoff: 149 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 75.4 mm
Latest M/C ratio: 1.04 Seven day total: 3.3 mm
Estimated current discharge: 29 m3/sec Percent of mean 7-day total: 75.6 % (today's value compared to mean for same period, 2003-2009)
Ice-cover determination: 5 yr recurrence flood: 131 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 121 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Pakse (2469260)           Contributing Area:   sq mi 536010 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes: Calibration to nearby ground station has not yet been accomplished.
Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)
(For U.S, sites, nearby ground station discharge may also be shown)