Site ID: 2205 Lat. 16.5133 Philippines Cagayan Valley
River: Magat Long. 121.2406
Site name: Bambang Contributing area: 2077 km2 Ratio to Comparison Station: 0.10
Latest measurement: 6-Nov-09 Mean annual runoff: 837 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 0 mm 2010
Latest M/C ratio: 1.08 Seven day total: 26 mm
Estimated current discharge: 64 m3/sec Percent of mean 7-day total: 140.4 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 160 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 151 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Temerloh (5224500)           Contributing Area:   sq mi 21579 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
246 2002 no data no data no data no data no data no data no data 44.2 46.6 48.4 56.9 49.5
581 2003 41.6 33.9 51.2 52.8 51.9 52.1 44.4 56.9 58.5 47.6 39.6 50.3
523 2004 38.0 38.9 47.4 48.0 41.0 48.6 45.2 39.6 45.2 48.0 36.3 46.3
916 2005 43.4 38.2 72.6 98.1 77.6 72.9 53.2 68.4 121.8 104.7 87.3 78.1
921 2006 78.0 79.8 113.9 109.4 64.5 63.8 69.6 93.7 130.1 118.7 0.0 0.0
1033 2007 82.7 63.8 103.9 115.2 81.7 76.1 66.8 67.6 101.1 133.0 79.3 62.3
1045 2008 70.5 60.9 88.4 115.1 110.6 75.9 66.0 84.4 116.3 112.4 76.4 68.5
956 2009 78.6 75.4 95.7 107.8 97.9 80.4 86.0 85.0 113.3 104.5 30.8 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): 837 Standard Deviation: 213
Trend in Annual Runoff (slope):  75.8
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.