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PALMER DROUGHT SEVERITY INDEX 1990 - 2000, BY QUARTER. COMPILED BY E. M. SWENSON COASTAL ECOLOGY INSTITUTE LOUISIANA STATE UNIVERSITY NOVEMBER, 2000. KEY TO CONTOUR MAPS. PDSI COLOR VALUE. EXTREME DROUGHT. NORMAL. EXTREMELY MOIST. QUARTERLY BREAKOWN YYYY-1 = JANUARY - MARCH
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PALMER DROUGHT SEVERITY INDEX 1990 - 2000, BY QUARTER COMPILED BY E. M. SWENSON COASTAL ECOLOGY INSTITUTE LOUISIANA STATE UNIVERSITY NOVEMBER, 2000
KEY TO CONTOUR MAPS PDSI COLOR VALUE EXTREME DROUGHT NORMAL EXTREMELY MOIST QUARTERLY BREAKOWN YYYY-1 = JANUARY - MARCH YYYY-2 = APRIL - JUNE YYYY-3 = JULY - SEPTEMBER YYYY-4 = OCTOBER - DECEMBER