在非洲，沙特阿拉伯和也门的裂谷热与高于平均水平的降雨期有密切关联。

In Africa, Saudi Arabia and Yemen RVF outbreaks are closely associated with periods of above-average rainfall.

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在过去的16年中，牙买加的旱季干旱情况越来越严重，而且越发难以预测，这导致了每年3个月干旱期的降雨量减少了11%。

During the past 16 years, the dry season in Jamaica has become both increasingly severe and unpredictable, leading to an 11 percent drop in total rainfall during the three-month annual drought.

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当生育期降雨量增多时，可适当调整灌溉量，以提高水分利用率。

For increasing the utilization percent of water, it should be adjusted irrigation norm when the rainfall got more.

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