condition mean min max 0 h after light 0.3033055 0.0 0.606611 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 0.0 0.0 0.0 8 h after dark 0.343429 0.0 0.686858 12 h after dark 0.3126015 0.0 0.625203