condition mean min max 0 h after light 3.329605 2.83011 3.8291 2 h after light 4.82553 4.55561 5.09545 4 h after light 7.579475 6.27434 8.88461 8 h after light 8.076195 5.11539 11.037 12 h after light 7.92825 7.76317 8.09333 2 h after dark 9.724945 8.76679 10.6831 4 h after dark 6.40367 6.27076 6.53658 8 h after dark 4.0694 3.98545 4.15335 12 h after dark 3.07158 1.9948 4.14836