USDA crop predictions in the 1960s seemed to be less than 10% off 4 months in advance and less than 5% off two months in advance. It possible that the made up

USDA crop predictions in the 1960s seemed to be less than 10% off 4 months in advance and less than 5% off two months in advance. It possible that the made up numbers were discarded because they were bad predictors because they were made up.