Average of yearly and montly rainfalls in three Hawaian cities that located in Kona from 1971 to 2000 is depicted in these graph and table. Overall, there was no drastic gap between Kainaliu, Opihihale, and Holualoa average amount of annual rainfall with mostly more than 90 centimeters in the last 30 years. On the other hand, Kainalu had the most significant increase of average monthly rainfalls than the two other, due to that, no wonder Kainaliu also had the highest average of yearly rainfall.
Biggest fluctuation of precipitation rate in Kainaliu was happened May, with start of around 13 centimeters to the highest for approximately 17 centimeters in September, before finally it plummeted on November. Same goes to Opihihale that happened to have a steady average of monthly rainfall before it decreased drastically on September.
Lastly, Holalua showed a consecutive increase and decrease amount of rainfall every 4 weeks from April to October, however, in the next month exhibit the lowest decreased total of precipitation in a year.
Therefore, all of these 3 cities showed a same pattern for monthly rate of total rainfall which all of them had a decreased after October.