condition mean min max 4 h after light 1.104393 0.688616 1.52017 8 h after light 1.834085 1.66004 2.00813 12 h after light 3.104805 2.77605 3.43356 4 h after dark 2.9472 2.46458 3.42982 8 h after dark 1.8964050000000001 1.86201 1.9308 12 h after dark 1.42927 1.41011 1.44843