Research Article

Power Data Access Viewer-Based Meteorological Drought Analysis and Rainfall Variability in the Nile River Basin

Figure 4

Average spatial annual standard precipitation index (SPI) of Nile River basin from 2001 to 2003 (a), 2004 to 2006 (b), 2007 to 2009 (c), 2010 to 2012 (d), 2013 to 2015 (e), 2016 to 2018 (f), and 2019 to 2021 (g).