Change in Growing Degree Days in the Contiguous 48 States, 1948–2020
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This map shows trends in the total number of growing degree days per year at 305 weather stations . The color and size of the symbols represent percent change between...
本地图展示了305个气象站逐年累计生长度日（growing degree days）的变化趋势。符号的颜色与尺寸代表了二者间的百分比变化……
