PALMER DROUGHT SEVERITY INDEX1990 - 2000, BY QUARTER

COMPILED BY

E. M. SWENSONCOASTAL ECOLOGY INSTITUTELOUISIANA STATE UNIVERSITY

NOVEMBER, 2000

KEY TO CONTOUR MAPS

QUARTERLY BREAKOWN

YYYY-1 = JANUARY - MARCHYYYY-2 = APRIL - JUNEYYYY-3 = JULY - SEPTEMBERYYYY-4 = OCTOBER - DECEMBER

NORMALEXTREMEDROUGHT

EXTREMELYMOIST

PDSI COLOR VALUE