condition mean min max 4 h after light 21.8 21.8 21.8 8 h after light 16.7 11.4 22.0 12 h after light 6.1 1.7 10.5 4 h after dark 7.699999999999999 3.3 12.1 8 h after dark 18.25 3.4 33.1 12 h after dark 2.1 0.9 3.3