Small multiple image display of continental US displaying raw NDVI values with Canada and Mexico masked out. 
The latest 9 periods are displayed in a 3 x 3 grid.
State boundaries are displayed black. 
See the comparable Weekly Weather and Crop Bulletin at <"http://usda.mannlib.cornell.edu/MannUsda/viewDocumentInfo.do?documentID=1393">Weekly Weather and Crop Bulletin</a> for details.