Meteonews announced on Sunday on the short message service Twitter that the lowest temperatures were measured in the early morning, especially in higher Alpine valleys with snow. So there was in Samedan GR at 1705 meters above sea level -17.9 degrees, in Buffalora GR at 1970 meters above sea level -16 degrees and in Andermatt UR at 1442 meters above sea level -15.5 degrees.
But temperatures also fell below zero in deeper fog-free areas: In Schiers GR at 660 meters above sea level, a low of -5.3 degrees was measured, in Thierachern BE at 570 meters -4.8 degrees and in Ebnat-Kappel SG 620 meters -4.3 degrees. In Bern-Belpmoos it was -4 degrees, in Emmen -3 and in Freiburg it was -2.6 degrees. (SDA)
source-16