我基本上知道答案，气温是一条嘈杂的时间序列，所以如果你在一下相对较短的时间跨度里挑选数据，你可以得到任何你想要的结果。

I basically know the answer: temperature is a noisy time series, so if you pick and choose your dates over a short time span you can usually make whatever case you want.

youdao

了解特定的时刻或是某个局部时间片段将非常有用，但是如果能够表达一段时间跨度的话，通常也很有用。

Knowing about a particular instant or partial time snippet can be useful, but it's also often useful to be able to express spans of time.

youdao

可以在以下情况使用Interval：需要表示在时间连续区间中以特定的点开始和结束的一段时间跨度。

You use an Interval when it is important to express a span of time that begins and ends with definite points in the time continuum.

youdao

There you see continuity for a very, very long time.

在那里你可以发现时间跨度有很长的连续性

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