Average Monthly Rainfall根据下表，写一篇120词的短文。Average Monthly Rainfall( in millimetres )Average Monthly RainfallAs it is shown in the table, rain falls every month in City B, whereas in City A some months register zero rainfall.City B has six months in a year with an average rainfall of more than 50mm; on the other hand, City A has an average of above 30mm for its three rainy months.City A usually has three months without rain, while City B has no dry months.Both cities have approximately the same amount of rainfall in January; in March, however, the amount of rainfall differs greatly.City B's rainfall tends to remain fairly constant throughout the year, whereas City A's rainfall all eomes in five months (from November to March).月平均降水量如表所示，乙城每月下雨，而甲城在几个月中滴雨未下。乙城一年中有六个月平均降雨超过50毫米，而甲城三个月的雨季中平均降雨在30毫米以上。甲城通常是三个月不下雨，而乙城没有不下雨的月份。在1月份两城降雨量几乎相同，但在3月份降雨量就截然不同了。乙城的降雨量终年不断，而甲城的降雨集中在五个月里(从11月到3月)。
