10 0 Summer Day 21 1 Day with maximum temperature of 30 degrees Celsius or more 32 2 Day with minimum temperature below 0 degrees Celsius 43 3 Day with maximum temperature below 0 degrees Celsius 54 4 Day with precipitation of 0.1 mm or more 65 5 Day with precipitation of 1.0 mm or more 76 6 Day with snow or hail (hail, small hail, snow pellets) but no rain or drizzle 87 7 Day with snow or hail (hail, small hail, snow pellets) cover 98 8 Sunny Day 109 9 Day with overcast sky 1110 10 Day with thunderstorm 1211 11 Day with Beaufort 6 or more 1312 12 Day with Beaufort 8 or more 1413 13 Day with both snow and/or hail (hail, small hail, snow pellets) and rain and/or drizzle 1514 14 Day with depositions of precipitation >=0.1 mm only 1631 31 Missing value 17