condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.73795 0.0 1.4759 4 h after light 0.81753 0.0 1.63506 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.932635 0.0 1.86527