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Standardized Vegetation Index for 1990

May, 1990 June, 1990 July, 1990
may_sm.jpg (31604 bytes) jun-89_n_sm.jpg (31043 bytes) jul-89_n_sm.jpg (33017 bytes)
August, 1990 September, 1990 October, 1990
aug-89_n_sm.jpg (35210 bytes) sept-89_n_sm.jpg (36530 bytes) october-89_n_sm.jpg (33935 bytes)

Prevailing climatic conditions during 1990 - May through October

Moisture was very short to short most of the Southeast and western Corn Belt, causing deteriorating crops and pasture conditions. Winter wheat seeding slowed due to inadequate moisture. Generally, the precipitation pattern shows that Northeast, East North Central, and Northwest regions experienced wet condition while dry conditions prevailed across the Southeast and South regions. Six States in the South or Southeast had the 10th driest or drier summer on record while another six in the Midwest had the wettest summer in 1990. Unusual warmth prevailed across the country except in the Central and East North Central regions. Temperatures for the summer 1990 averaged across the contiguous United States were above long-term mean and ranked as the 15th warmest on record.