There has been below average rainfall this month.
这个月的降雨低于平均降雨量。
There have been four years of below average rainfall.
已经有4年降雨量低于平均水平了。
This spring, the town of Oso saw twice the usual rainfall.
今年春天，奥索镇的降雨量是往年的两倍。
Kona and Hilo have approximately the same rainfall in a given year.
科纳和希洛在同一年的降雨量大致相同。
A monsoon is a seasonal wind that can bring in a large amount of rainfall.
季风是一种季节性的风，它可以带来大量的降雨。
In fact, Seattle ranks 44th among major U.S. cities in average annual rainfall.
事实上，西雅图的年平均降雨量在美国主要城市中排名第44位。
It's believed that rainfall will stay at the same level if the temperature rises.
人们认为如果气温上升，降雨量将保持在同一水平。
Average annual rainfall: 8.3 in.
平均年降雨量：8.3英寸。
Average annual rainfall: 50.2 in.
平均年降雨量：50.2英寸。
Average annual rainfall: 20.4 in.
平均年降雨量：20.4英寸。
Average annual rainfall: 48.35 in.
平均年降雨量：48.35英寸。
Average annual rainfall: 30.24 in.
平均年降雨量：30.24英寸。
Average annual rainfall: 14.77 in.
平均年降雨量：14.77英寸。
The immediate cause is record rainfall.
直接的原因是破纪录的降雨量。
For example, rainfall patterns could change.
例如，降水周期可能会发生改变。
Observed rainfall in the last 1 hour is over 15 mm.
在过去一小时，实际降雨量超过15毫米。
In any case the rainfall will stop sometime this week.
无论如何，降雨在本周某个时候会停止。
What is the average rainfall for August in your country?
你们国家八月份的平均降雨量是多少?
That would leave many great rivers depending on seasonal rainfall.
这将使许多著名河流只能依赖于季节降水。
The Amazonian south and southeast will receive much less rainfall.
亚马逊东部和东南部的降水量将显著减少。
It is the heavy rainfall that has tremendous implications on dam safety.
强降雨对大坝安全产生巨大影响。
By the end of July, rainfall reached only around 30 percent of the average rate.
到七月份为止，降雨量只达到平均水平的30%左右。
Second, it represents a period when patterns of rainfall could have been very different.
其次，在某一时期降水的分布和形式也会不同。
Average Annual Rainfall: 4.5 in.
平均年降雨量：4.5英寸。
Average Annual Rainfall: 12.17 in.
平均年降雨量：12.17英寸。
Rainfall estimates are often wrong.
雨量的估算往往出现失误。
Rainfall is plentiful in the area.
这个地区雨量充足。
Rainfall is also increased in cities.
城市的降雨量也在增加。
Rainfall has been fairly well-distributed this year.
今年的雨水很均匀。
Rainfall has been fairly well-distributed this year.
今年的雨水很均匀。
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