萨菲尔-辛普森飓风等级
Overall, there were 19 tropical storms. In addition, 11 hurricanes developed. Furthermore, there were total of six major hurricanes, Category 3 or greater on the Saffir–Simpson hurricane wind scale. The season officially started on May 15 in the East Pacific Ocean, and on June 1 in the Central Pacific; they both ended on November 30. No tropical storms developed in June in the basin, which was unusual compared to the average of two storms forming during the month.