Sentences with phrase «comparing rainfall totals»
Not exact matches
During a 5 - year period between 1988 and 1998 when total rainfall from April to August was less than 14 inches (compared to 20 inches in normal years), average organic corn yields were 31 % greater than conventional system.
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Researchers accounted for human influence on climate by estimating the present - day chances of Harvey's rainfall totals and then comparing them with 1950s greenhouse gas levels.
During a 5 - year period between 1988 and 1998 when total rainfall from April to August was less than 14 inches (compared to 20 inches in normal years), average organic corn yields were 31 % greater than conventional system.
The map (above) shows predicted changes in the annual number of days of extreme rainfall (defined as rainfall totals in excess of the historic 98th percentile) across the United States by 2041 - 2070 as compared to 1971 - 2000 if greenhouse gases continue to increase at a high rate (A2 scenario).