condition mean min max 4 h after light 9.3 9.3 9.3 8 h after light 7.2 2.5 11.9 12 h after light 7.050000000000001 4.7 9.4 4 h after dark 4.1 2.3 5.9 8 h after dark 4.8 4.8 4.8 12 h after dark 5.1 3.5 6.7