Monthly temperature and precipitation by State and farm production region are presented for the years 1950-84. A weighted-average process is used to aggregate across the climatic divisions within the 48 contiguous States. Two sets of aggregation weights are used: geographic areas and areas of...

Monthly temperature and precipitation by State and farm production region are presented. A weighted average is used to aggregate data for the climatic divisions within the 48 contiguous States. Two alternative sets of weights are used: the divisions' geographic areas and their harvested cropland...