condition mean min max 3 h after light 1.8785040000000002 0.972102 2.83876 6 h after light 2.67731 1.42839 3.66782 9 h after light 2.939983333333333 1.9993 4.02052 12 h after light 7.5077775 6.07658 8.89311 3 h after dark 10.524236666666667 8.87281 11.9487 6 h after dark 14.533266666666666 12.6956 16.8634 9 h after dark 12.271833333333333 11.4076 13.8031 12 h after dark 8.366125 8.04895 8.6833