找到一个气候的定义

The NOAA defines climate as the average of weather over at least a 30-year period. So periodic aberrations—like the harsh winter storms ravaging the Southeast and other parts of the country this winter—do not call the science of human-induced global warming into question.

NOAA将气候定义为至少30年的天气平均值。不过一般人可能真搞不清什么时候用这个词，比如我家的车竟然把空调调温控制叫做climate control