condition mean min max 0 h after light 3.124555 3.12177 3.12734 4 h after light 5.10454 3.84737 6.36171 8 h after light 5.449535 3.17778 7.72129 4 h after dark 3.07355 2.29948 3.84762 8 h after dark 5.009115 3.10047 6.91776 12 h after dark 3.049675 0.0 6.09935