Reservoir Watch This work, web site, and  
Reservoir and Lake Monitoring using satellite measurements Signal/Noise*: 4.7 associated data are by
Lake Nasser Center: 31.12  Long. Signal/Noise: Fair G. R. Brakenridge and A. J. Kettner
GFDS Site Number 11842 Modis History Sudan Center: 21.63  Lat. * Signal range/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: 20-Nov-17 Obtain Data 20th 94% Attribution-NonCommercial-
Area (% of Maximum): 95% Status: Very high 70th 94% Share-Alike 4.0 license.
Signal range: 0.074 Average daily change: 0.016 Status Code: 4 Technical Summary 90th 95% Commercial use available by permission.
Altimetry Data from US FAS (Independent validation)
Sensors: TRMM, AMSR-E, AMSR-2, GPM
Annual Maximum Annual Average
1998 99.4% 96.4%
1999 99.7% 96.7%
2000 99.3% 96.8%
2001 98.9% 96.4%
2002 98.6% 96.2%
2003 98.0% 95.5%
2004 97.2% 95.1%
2005 95.1% 93.3%
2006 96.6% 93.7%
2007 98.8% 95.7%
2008 99.3% 96.4%
2009 98.0% 95.3%
2010 96.1% 93.8%
Notes: 7-day forward moving average is applied. 2011 96.9% 93.6%
Percentile values for daily thresholds use 2009-2016 period of record. 2012 95.2% 92.2%
< 20th percentile is "low", 21-69th percentile is "normal", 70-90th percentile is "high", > 90th precentile is "very high" 2013 95.1% 93.3%