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 0.0 0.0 0.0 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 0.04999885 0.0 0.0999977 8 h after dark 0.0271848 0.0 0.0543696 12 h after dark 0.0 0.0 0.0