坝前年最高水位
maximum annual water level of reservoir
流冰最高水位
highest stage with drift ice
年最高(低)气温
Yearly highest-and lowest- temperatures
年最高潮位
differential information theory
annual maximum tidal level
年最高低气温
Yearly highest-and lowest-temperatures
平均最高最低气温
Mean maximum and minimum air temperature
日最高最低温度
Daily maximum and minimum temperature