condition mean min max 4 h after light 2.8 2.8 2.8 8 h after light 6.35 5.4 7.3 12 h after light 47.099999999999994 39.4 54.8 4 h after dark 10.65 4.7 16.6 8 h after dark 2.0 1.6 2.4 12 h after dark 4.1 3.6 4.6