Photo newsinfo.inquirer.net The heat index or "init factor" may not be a measure of actual temperature, but it can make for very scorching days. This was especially true this past week, as PAGASA noted heat indexes in the high forties at several monitoring stations across the country. On Thursday, May 11, the heat index in Sangley Point, Cavite, hit 47.5°C. In San Jose City, Occidental Mindoro, and Cabanatuan City, Nueva Ecija, the heat index was up to 48.1°C and 47.5°C, respectively…