Abstract
Occurrence frequency of rainfall with wind is important data for design of external building system. This report is considered in the point through data processing of 1 hour rainfall and 10 minutes mean wind speed for about 20 years in 98 surface weather stations in Japan. Then it shows maximum wind speed occurred once a year according to 4 kinds of rainfall by each station, and trial proposal classified stations by this maximum wind speed and the point data of occurrence frequency of rainfall with wind.