The Windward Hills rain gage is near the Windward Hills Golf Course at an altitude of 365 ft. The gage has been operated since February 1974. The average yearly rainfall during the period of record is 102 inches. This station is operated by the Honolulu field office and is equipped with an 8-inch diameter Hydrological Services TB-3 tipping bucket can and connected to a Campbell CR-10X logger.