condition mean min max 4 h after light 12.403680000000001 9.96926 14.8381 8 h after light 11.4666 10.8176 12.1156 12 h after light 27.882 26.17 29.594 4 h after dark 17.337899999999998 13.1203 21.5555 8 h after dark 15.046800000000001 12.9625 17.1311 12 h after dark 20.37059 8.50768 32.2335