condition mean min max 0 h after light 1.13653 1.0907 1.18236 2 h after light 2.87024 2.78392 2.95656 4 h after light 2.1388 1.78043 2.49717 8 h after light 2.046885 1.9721 2.12167 12 h after light 3.704825 2.87258 4.53707 2 h after dark 2.72828 2.57069 2.88587 4 h after dark 1.485935 1.12769 1.84418 8 h after dark 1.919215 1.77142 2.06701 12 h after dark 1.35529 1.14611 1.56447