An empirical appraisal of the Gumbel extreme‐value procedure

In this study the predictive value of the widely used Fisher-Tippett type I distribution, when fitted to rainfall data by the Gumbel method, is appraised. Thousands of station years of rainfall data have been analyzed in several ways in evaluating the Gumbel procedure. The results provide evidence of the acceptability of the Gumbel procedure for predicting the probability of occurrence of the externe values of rainfall.