condition mean min max 4 h after light 0.07361825 0.073332 0.0739045 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0639185 0.0 0.127837 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0