condition mean min max 4 h after light 2.8 2.8 2.8 8 h after light 11.05 9.2 12.9 12 h after light 43.599999999999994 30.4 56.8 4 h after dark 10.5 5.0 16.0 8 h after dark 16.25 7.5 25.0 12 h after dark 6.550000000000001 5.9 7.2