Posts Tagged ‘ Palmer Drought Index ’

State of the Climate: June 2012 | National Climatic Data Center

Jul 19th, 2012 | By

Based on the Palmer Drought Index, severe to extreme drought affected about 33 percent of the contiguous United States as of the end of June 2012, an increase of about 10 percent from last month. About 4 percent of the contiguous U.S. fell in the severely to extremely wet categories.

The June 2012 Palmer value of 55 percent is the largest percentage since December 1956 when 58 percent of the contiguous U.S. was in moderate to extreme drought.