1992～1993年度凌期黄河下游的气温特点是:12月份偏暖,元月份正常,2月上旬中期出现建国以来同期最高气温。凌汛的特点是:封河晚,封河流量适中,开河历时短。 受极地冷空气的影响,1月15日以后气温骤降,1月19日在河口十八公里处首先封河,封河日期比常年晚约半个多月。19日以后封冻河段自下而上向上游延伸,至1月30日,封河上界发展到齐河县潘庄险工下首李隤村终止, The temperature characteristics of the lower reaches of the Yellow River from 1992 to 1993 were as follows: December was warmer and January was normal. In the middle of February, there was the highest temperature in the same period since the founding of the People’s Republic. Ling flood is characterized by: closing the river late, closing the river flow is moderate, Kaihe lasted a short time. Affected by the polar cold air, the temperature plummeted on January 15, January 19 at the estuary 18 kilometers at the first closure of the river closure date later than usual about half a month. On the 19th, the frozen section of the river extended from the bottom up to the upper reaches, and on January 30, the upper bound of the closure river developed to the termination of the village Li Zhaocun,