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 0.0332405 0.0 0.066481 12 h after light 0.0 0.0 0.0 2 h after dark 0.0332631 0.0 0.0665262 4 h after dark 0.03222815 0.0 0.0644563 8 h after dark 0.0363407 0.0 0.0726814 12 h after dark 0.0689775 0.0 0.137955