Rainfall is not completely absent in desert areas, but it is highly variable.

沙漠地区并非完全没有降雨，但它的变化很大。

youdao

But during the past decade declining rainfall has allowed him to plant highly profitable crops.

过去十年，降雨量不断减少，这让他可以种植高利润型农作物。

youdao

But during the past decade, the declining rainfall has allowed him to plant highly profitable crops.

过去的十年里降雨减少了，这让他有机会种植一些高利润的农作物。

youdao

But heavy rainfall could also trigger massive flooding, lost livestock, and displacement, bringing more misery to millions.

VOA: standard.2009.10.06

The Environment Agency said the forecast was mainly dry on Friday but heavy rainfall could lead to the risk of flooding at the weekend.

BBC: River levels stay high after North Yorkshire rainfall

"November may have been the wettest month but overall 2010 rainfall has been the lowest since 1964, " he said.

BBC: Drought concern follows Dumfries and Galloway dry spell

But the heavy rainfall, which is actually, let's see, the top 5 percent of events, went up about 14 percent.

NPR: Can Climate Change Explain Odd Weather?