condition mean min max 4 h after light 10.587615 9.39073 11.7845 8 h after light 12.00195 10.5174 13.4865 12 h after light 13.500150000000001 10.8756 16.1247 4 h after dark 24.5054 19.6288 29.382 8 h after dark 20.1432 19.6966 20.5898 12 h after dark 18.5444 17.4422 19.6466