condition mean min max 3 h after light 15.731335 8.76587 22.718 7 h after light 8.334949166666666 3.61403 14.2685 11 h after light 6.4997533333333335 2.47041 10.0962 2 h after dark 7.098755 3.06023 11.5331 6 h after dark 9.636450833333333 5.38787 15.7282 10 h after dark 14.035605 6.75762 23.6587