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如何计算气温日较差

更新时间: 2020-09-16 00:00:00     

当地的气温日较差等于当地当日最高温度减去当地当日最低温度。气温日较差亦称气温日振幅。是一天中气温最高值与最低值之差。其大小和纬度、季节、地表性质及天气情况有关。一般来说,低纬地区大于高纬地区:低纬地区平均为12摄氏度,中纬地区的7至9摄氏度,高纬地区为3至4摄氏度。在中纬地区是夏季比冬季大,低纬和高纬地区则随季节的变化很小。

关键词: 如何 计算 气温

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