condition mean min max 4 h after light 8.1 8.1 8.1 8 h after light 5.05 4.3 5.8 12 h after light 21.099999999999998 3.8 38.4 4 h after dark 4.8 2.6 7.0 8 h after dark 8.15 6.7 9.6 12 h after dark 5.15 5.0 5.3