condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.47794 0.0 0.95588 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 0.2343135 0.0 0.468627 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0