Longyearbyen on the Norwegian island of Spitsbergen, one of the northernmost towns in the world, repeatedly
experienced monthly mean temperatures more than 6 °C above the 1981 — 2010 average.
It's common knowledge among
experienced professionals that, outside the English - speaking world, other countries use a great variety of methods in determining the «
mean monthly temperature,» which is the customary datum used in climatological work.