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 0.02187915 0.0 0.0437583 8 h after light 0.0664605 0.0 0.132921 12 h after light 0.070786 0.0432535 0.0983185 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0421748 0.041392 0.0429576 8 h after dark 0.0233564 0.0 0.0467128 12 h after dark 0.0 0.0 0.0