Dagupan bakes at 51 degrees Celsius
The highest index in 2020 was at 58 degrees Celsius in San Jose City, Occidental Mindoro on April 20, forecasters in Manila said. This measures human discomfort based on the actual temperature felt by the body, the state weather bureau Pagasa (Philippine Atmospheric, Geophysical and Astronomical Services Administration) said Wednesday. The city, 218 kilometers north of Manila, logged a heat index of 51 degrees Celsius at 2 p.m. Tuesday, said Jose Estrada Jr, chief weather observer of Pagasa-Dagupan. Pagasa’s Science Garden in Quezon City itself recorded a heat index of 42 degrees Celsius with a maximum temperature of 37.2 degrees Celsius and relative humidity of 39 percent on May 5 at 3 pm. READ: How to beat the summer heat Tuesday's high heat indexes were also felt in Sangley Point, Cavite at 49 degrees Celsius with maximum temperature of 35.9 and relative humidity of 69 percent; Ambulong, Batangas at 48 degrees Celsius at 11 a.m. with maximum temperature of 34.6 degrees Celsius and relative humidity of 68 percent; Munoz, Nueva Ecija at 46 degrees Celsius at 2 p.m. with maximum temperature of 38 degrees Celsius and relative humidity of 46 percent, and Iba, Zambales at 45 degrees Celsius at 2 p.m. with maximum temperature of 34.6 degrees Celsius and relative humidity of 62 percent. Relative humidity is the measurement of the water vapor in the air when the temperature is warm. Heat index is the "apparent" temperature or what human beings perceive or feel as the temperature affecting their bodies.