condition mean min max 3 h after light 0.085982 0.0 0.149106 6 h after light 0.0944305 0.0 0.191707 9 h after light 0.19899746666666668 0.0884264 0.292724 12 h after light 0.16761625000000002 0.0 0.365725 3 h after dark 0.2807793333333333 0.112079 0.448295 6 h after dark 0.06455 0.0 0.19365 9 h after dark 0.0274451 0.0 0.0823353 12 h after dark 0.0432108 0.0 0.0864216