As 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).
