condition mean min max 0 h after light 3.16861 2.78895 3.54827 2 h after light 8.20666 7.87375 8.53957 4 h after light 2.1715679999999997 0.994116 3.34902 8 h after light 6.666505 5.47779 7.85522 12 h after light 9.584465 6.94593 12.223 2 h after dark 15.47045 14.7574 16.1835 4 h after dark 7.331605 6.82321 7.84 8 h after dark 4.888925 4.27763 5.50022 12 h after dark 2.38917 2.34256 2.43578