condition mean min max 4 h after light 11.783850000000001 11.6783 11.8894 8 h after light 6.583394999999999 5.91608 7.25071 12 h after light 2.5385 2.46888 2.60812 4 h after dark 3.011973333333333 2.53152 3.55001 8 h after dark 4.26898 4.09556 4.50464 12 h after dark 10.57143 9.91099 11.5509