A Comparison of Annual Rainfall Probabilities in Thailand and the Canal Zone Vicinity
ARMY NATICK LABS MA EARTH SCIENCES LAB
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Annual rainfall probabilities are compared among stations in the Canal Zone and Thailand. A variety of probability maps and charts are provided. Universal descriptors of annual rainfall regimes are sought in statistical parameters. Despite the total amount of rainfall at any one point, fairly extensive areas are often subject to approximately the same degree of relative variation of annual rainfall. Consequently, the set of the mean and the coefficient of variation is used to characterize annual rainfall. This set of statistics yields reasonably reliable predictions for design or long-range planning. On the whole, the rainfall of the Canal Zone is somewhat heavier and less variable than that of Thailand.