Cappelen, John; Jensen, Jens. "El Salvador – San Salvador (pg 85)"(PDF). Climate Data for Selected Stations (1931–1960) (in Danish). Danish Meteorological Institute. Archived from the original(PDF) on 27 April 2013. Retrieved 18 December 2012.
"Klimatafel von Santa Ana / El Salvador"(PDF). Baseline climate means (1961-1990) from stations all over the world (in German). Deutscher Wetterdienst. Retrieved May 2, 2017.
Cappelen, John; Jensen, Jens. "El Salvador – San Salvador (pg 85)"(PDF). Climate Data for Selected Stations (1931–1960) (in Danish). Danish Meteorological Institute. Archived from the original(PDF) on 27 April 2013. Retrieved 18 December 2012.