USGS ADDS WRSI

Time: [1961,1996]; yearly

• East_Africa_Mar-May (percent) [ x y Time ]
• East_Africa_May-Nov (percent) [ x y Time ]
• lat (degree_north) [ x y ]
• lon (degree_east) [ x y ]
• Projection (unitless)
• Sahel (percent) [ x y Time ]
• South_Africa (percent) [ x y Time ]