The differences result from weather patterns.

这种差异是由不同的天气模式造成的。

youdao

youdao

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

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。

youdao

Scientists study pieces of glacier to understand weather patterns from thousands of years ago.

VOA: special.2009.04.22

that it will be changing weather patterns,

将来会改变气候模式，

全球变暖和发达国家 - SpeakingMax英语口语达人

Tornado seasons are the result of wind and weather patterns.

VOA: special.2010.05.11

And this has a profound effect on the weather patterns and on the rainfall events.

NPR: Can Climate Change Explain Odd Weather?

When currents and weather patterns change in the Pacific, Fijians say they feel it.

NPR: Pacific Island Cultures Brace for Climate Change

Baron understood well the relationships between lightning strikes and weather patterns, including temperature, precipitation and wind.

FORBES: Magazine Article