Keetch-Byram Drought Index    (see below for Departures)

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Modified Stress Degree Days for Corn Area 190 Area 200 Area 230 Area 030 Area 220 Area 180 Area 100 Area 160 Area 150 Area 110 Area 120 Area 130 Area 140 Area 170 Area 090 Area 080 Area 050 Area 070 Area 010 Area 020 Area 040 Area 210 Area 060

KBDI Departures from Normal

Keetch-Byram Drought Index, Departure from Normal Area 170 Area 210 Area 180 Area 190 Area 230 Area 200 Area 220 Area 160 Area 150 Area 130 Area 140 Area 100 Area 030 Area 080 Area 090 Area 020 Area 060 Area 070 Area 050 Area 010 Area 110 Area 120 Area 040