condition mean min max 4 h after light 1.0339915 0.733553 1.33443 8 h after light 2.2961600000000004 2.1049 2.48742 12 h after light 1.8960700000000001 1.64481 2.14733 4 h after dark 1.395085 1.01904 1.77113 8 h after dark 1.291925 1.16575 1.4181 12 h after dark 1.50928 1.42746 1.5911