condition mean min max 4 h after light 42.3 42.3 42.3 8 h after light 6.550000000000001 3.2 9.9 12 h after light 11.2 2.9 19.5 4 h after dark 23.5 1.6 45.4 8 h after dark 33.9 25.4 42.4 12 h after dark 15.95 6.9 25.0