Site ID: 2200 Lat. 17.7322 Philippines Cagayan Valley
River: Cagayan Long. 121.7278
Site name: Solana Contributing area: 20067 km2 Ratio to Comparison Station: 0.93
Latest measurement: 6-Nov-09 Mean annual runoff: 741 mm (2003-2008)
Hydrologic status: 3 Flood Total runoff this year (2010): 0 mm 2010
Latest M/C ratio: 1.63 Seven day total: 36 mm
Estimated current discharge: 1853 m3/sec Percent of mean 7-day total: 170.7 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 2454 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 2193 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
156 2002 no data no data no data no data no data no data no data 25.7 22.3 38.0 42.8 26.7
392 2003 35.0 36.0 24.6 31.6 31.2 30.0 35.0 33.9 35.3 30.3 32.6 37.1
330 2004 28.0 30.6 26.3 20.1 29.5 27.3 30.6 30.8 32.6 20.7 29.4 24.3
803 2005 15.3 27.2 51.9 51.1 43.0 65.6 54.4 67.2 82.7 88.3 125.1 131.4
900 2006 153.0 121.1 80.7 56.5 61.2 62.3 85.6 123.0 81.9 74.3 0.0 0.0
1001 2007 110.0 75.6 57.9 47.7 46.2 97.6 98.8 73.2 49.0 82.9 136.1 125.5
1020 2008 124.8 80.6 70.4 47.3 78.0 80.3 88.7 84.7 72.4 57.7 106.0 129.2
991 2009 113.0 81.2 61.8 74.6 80.9 101.1 96.5 99.3 83.2 139.9 59.0 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: 294
Trend in Annual Runoff (slope):  5109.7
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.