condition mean min max 4 h after light 4.4 4.4 4.4 8 h after light 3.7 2.6 4.8 12 h after light 13.600000000000001 8.9 18.3 4 h after dark 28.25 11.1 45.4 8 h after dark 11.600000000000001 4.6 18.6 12 h after dark 18.05 4.3 31.8