Site ID: 2202 Lat. 16.9081 Philippines Cagayan Valley
River: Cagayan Long. 121.8168
Site name: Tuboc Contributing area: 6218 km2 Ratio to Comparison Station: 0.29
Latest measurement: 20-Nov-09 Mean annual runoff: 946 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 0 mm 2010
Latest M/C ratio: 1.12 Seven day total: 22 mm
Estimated current discharge: 226 m3/sec Percent of mean 7-day total: 92.7 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 469 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 457 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
330 2002 no data no data no data no data no data no data no data 63.9 48.0 52.1 80.7 84.7
840 2003 85.4 63.3 54.7 40.8 41.0 63.3 87.1 89.8 74.9 58.6 69.8 111.3
890 2004 90.1 63.2 63.1 43.9 56.7 71.1 95.5 87.5 65.4 63.7 73.3 116.9
1037 2005 88.2 60.5 51.2 55.7 80.0 111.7 92.9 66.7 60.9 77.7 130.7 160.6
822 2006 120.0 60.1 61.7 57.1 81.9 140.4 93.6 69.8 65.9 71.8 0.0 0.0
1028 2007 100.8 58.5 56.2 55.8 67.7 130.9 110.1 65.0 54.8 81.7 104.0 142.9
1057 2008 104.3 58.2 61.6 50.1 101.4 135.3 96.8 66.6 61.0 58.8 95.7 167.7
911 2009 118.6 56.9 54.8 64.0 86.0 117.8 122.1 73.1 59.9 85.8 72.0 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: 98
Trend in Annual Runoff (slope):  8.7
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.