这种差异是由不同的天气模式造成的。

The differences result from weather patterns.

youdao

一种观点是，像你说的那样，主要的天气模式如厄尔尼诺现象，才是罪魁祸首。

One idea is as you suggest that major weather patterns, something like El Nino, are responsible.

youdao

近年来，由于干旱、炎热的天气，以及全球变暖导致的多变天气模式，导致了更多的森林火灾。

In recent years, there have been more wildfires because of dry, hot weather, and changeable weather patterns because of global warming.

youdao