Site ID: 1062 Lat. 17.8394 Mexico 0
River: Uspanapa Long. -94.2703
Site name: 0 Contributing area: 3940 km2 Ratio to Comparison Station: 0.08
Latest measurement: 14-Nov-09 Mean annual runoff: 858 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year: 1014 mm
Latest M/C ratio: 1.29 Seven day total: 47 mm
Estimated current discharge: 240 m3/sec Percent of mean 7-day total: 193.6 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 396 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 380 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Boca del Cerro (4362600)         Contributing Area:   sq mi 50458 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
254 2002 no data no data no data no data no data no data no data 29.7 46.5 53.7 70.9 53.2
637 2003 46.5 38.6 54.3 50.4 57.5 52.8 49.9 49.5 39.3 84.6 64.6 48.9
500 2004 50.5 33.0 43.6 40.7 60.5 36.5 30.9 34.1 31.5 48.5 52.6 37.2
753 2005 43.6 29.2 42.5 65.5 63.9 60.6 2.6 107.5 80.7 88.6 70.5 97.5
762 2006 76.1 89.6 78.9 74.7 55.4 56.1 89.6 68.0 73.9 100.1 0.0 0.0
904 2007 77.5 65.6 67.6 59.9 78.9 55.0 45.6 75.7 72.4 130.8 113.7 61.8
1014 2008 94.6 62.8 68.2 63.8 65.5 90.4 76.4 62.8 72.4 176.8 97.1 82.7
797 2009 69.9 77.7 91.4 72.5 60.2 52.7 53.7 46.4 95.3 101.5 75.7 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): 858 Standard Deviation: 168
Trend in Annual Runoff (slope):  547.3
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.