River and Reservoir Watch Version 3.7 This work and associated data are protected by a Creative Commons License. This work, web site, and  
River Discharge and Reservoir Area Changes Using Satellite Microwave Radiometry Signal/Noise*: 6.9 associated data are by
Cienega de Santa Clara Center: -114.70  Long. Signal/Noise: Fair G. R. Brakenridge and A. J. Kettner
GFDS Site Number 100078 Modis History Mexico Center: 31.90  Lat. * Signal range/average daily variation They are provided here under 
GEE Time Lapse Learn more about this reservoir Percentile Thresholds the terms of a Creative Commons
Last measured: 2-Jul-20 Obtain Data 20th 75% Attribution-NonCommercial-
Area (% of Maximum): 80% Status: Normal 70th 85% Share-Alike 4.0 license.
Signal range: 0.164 0.9061556 0.024 Status Code: 2 Technical Summary 90th 91% Commercial use available by permission.
Sensors: TRMM, AMSR-E, AMSR-2, GPM
Annual Maximum Annual Average
1998 84.5% 76.2%
1999 83.1% 74.4%
2000 79.3% 74.8%
2001 85.3% 76.7%
2002 78.7% 74.6%
2003 79.8% 74.5%
2004 78.3% 74.8%
2005 83.6% 76.5%
2006 84.3% 77.1%
2007 80.3% 75.7%
2008 81.7% 76.3%
2009 81.3% 74.2%
2010 80.7% 73.9%
Notes: 10-day forward moving average is applied. 2011 81.3% 74.2%
Percentile values for daily thresholds use 2009-2016 period of record. 2012 81.8% 77.4%
< 20th percentile is "low", 21-69th percentile is "normal", 70-90th percentile is "high", > 90th precentile is "very high" 2013 85.3% 79.4%