condition mean min max 4 h after light 14.5 14.5 14.5 8 h after light 11.049999999999999 1.7 20.4 12 h after light 17.6 16.6 18.6 4 h after dark 2.6 0.9 4.3 8 h after dark 4.5 3.5 5.5 12 h after dark 18.75 9.1 28.4