《资治通鉴·汉纪·汉纪十六》
正准备退兵时，天降大雪，一天之中，积雪达一丈多厚。大雪使大批匈奴部众、牲畜冻死，活着回去的还不到十分之一。
欲还，会天大雨雪，一日深丈馀，人民、畜产冻死，还者不能什一。
Just as the Xiongnu were about to withdraw, it started to snow heavily. Within one day, the snow was more than ten feet deep. The heavy snow caused a large number of Xiongnu tribesmen and livestock to freeze to death, and less than one-tenth of them managed to return alive.