"Klimatafel von Kimchaek / Korea (Nordkorea)"(PDF). Baseline climate means (1961-1990) from stations all over the world (in German). Deutscher Wetterdienst. Retrieved 6 November 2016.
"Station 47025 Kimchaek". Global station data 1961–1990—Sunshine Duration. Deutscher Wetterdienst. Archived from the original on 2017-10-17. Retrieved 6 November 2016.