Site ID: 2209 Lat. 15.7761 Philippines Pangasinan
River: Agno Long. 120.3706
Site name: Mangatarem Contributing area: 5135 km2 Ratio to Comparison Station: 0.43
Latest measurement: 6-Nov-09 Mean annual runoff: 148 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year: 171 mm
Latest M/C ratio: 1.29 Seven day total: 4 mm
Estimated current discharge: 35 m3/sec Percent of mean 7-day total: 157.2 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 67 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 64 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: Need local gaging station data to provide more accurate calibration to 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
47 2002 no data no data no data no data no data no data no data 12.0 7.7 9.5 8.1 9.7
137 2003 10.4 7.8 8.0 7.5 13.9 16.1 13.2 17.0 12.7 10.9 7.2 12.4
113 2004 11.4 8.7 8.6 8.8 9.5 11.7 8.7 8.4 11.8 6.4 5.7 13.9
132 2005 10.5 8.0 8.4 8.7 7.9 11.7 10.2 11.0 11.6 13.1 17.6 13.3
136 2006 12.0 10.5 9.1 7.9 9.1 13.1 20.2 24.3 15.0 15.0 0.0 0.0
152 2007 11.7 9.9 9.2 8.3 9.8 13.3 16.5 14.8 11.9 14.6 17.1 14.8
171 2008 11.9 10.3 10.0 8.0 17.3 18.1 19.9 17.5 12.7 15.8 16.5 13.0
155 2009 11.6 9.2 8.4 9.3 12.2 23.2 23.2 16.9 15.4 19.7 5.5 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): 148 Standard Deviation: 19
Trend in Annual Runoff (slope):  5.2
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.