condition mean min max 3 h after light 0.49340733333333336 0.320298 0.765047 6 h after light 0.814789 0.477472 1.12683 9 h after light 1.3799700000000001 1.04899 1.58861 12 h after light 2.3720499999999998 1.92866 2.63822 3 h after dark 1.97879 1.83866 2.20655 6 h after dark 2.1150266666666666 1.84513 2.27403 9 h after dark 1.093763 0.708339 1.48328 12 h after dark 0.309277 0.191465 0.43236