condition mean min max 4 h after light 15.304649999999999 13.6047 17.0046 8 h after light 7.36457 5.33709 9.39205 12 h after light 16.1554 10.2548 22.056 4 h after dark 17.8885 14.1803 21.5967 8 h after dark 14.2794 10.7895 17.7693 12 h after dark 16.41455 14.1993 18.6298