Site ID: 238 Lat. 15.2101 Thailand Ubon Ratchathani
River: Mun Long. 104.7991
Site name: Ubon Ratchathani Contributing area: 106757 km2 Ratio to Comparison Station: 8.98
Latest measurement: 10-Nov-09 Mean annual runoff: 200 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year: 212 mm
Latest M/C ratio: 1.26 Seven day total: 6 mm
Estimated current discharge: 812 m3/sec Percent of mean 7-day total: 75.9 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 5372 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 5094 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
179 2002 no data no data no data no data no data no data no data 7.3 30.0 86.9 35.6 19.5
174 2003 14.9 10.5 13.7 9.3 9.5 9.1 9.5 9.5 22.5 34.7 14.9 15.8
151 2004 11.5 10.4 13.5 9.1 10.1 8.8 9.5 11.5 23.1 19.7 13.9 9.9
179 2005 9.8 8.8 11.3 14.3 9.5 9.7 9.5 9.5 11.6 19.3 45.4 21.1
177 2006 10.8 7.9 9.6 9.1 10.5 10.5 9.5 9.5 9.1 90.9 0.0 0.0
229 2007 16.7 10.3 9.8 9.1 9.5 9.1 9.5 10.1 28.0 68.7 30.6 18.1
212 2008 16.1 10.4 11.7 11.9 9.5 8.5 9.5 9.5 9.4 58.3 29.5 27.7
205 2009 16.6 14.5 10.0 11.2 9.5 9.1 9.5 11.7 28.9 72.8 10.9 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): 9 Standard Deviation: 27
Trend in Annual Runoff (slope):  5.9
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.