condition mean min max 0 h after light 1.95818 1.25731 2.65905 4 h after light 1.26037 1.23964 1.2811 8 h after light 2.81418 2.07319 3.55517 4 h after dark 3.98623 3.71914 4.25332 8 h after dark 2.6263449999999997 2.33899 2.9137 12 h after dark 1.1054694999999999 0.955319 1.25562