Satellite picture
Compared to winters since 1864 this winter ist still warmest in Switzerland. Basel reports a mean temperature of 5°C over last record from 1916 - diference of 0°C. Zurich had only 2 Days with snow (12cm in total).

Despite latest 2 cold and snowy winters the trend is clear: since 1970 the row of unusually warm winters continues and matches results of global climate models.

meteoschweiz.ch: more info and graphics (german) or french: Hiver extr