condition mean min max 4 h after light 3.3622199999999998 2.90266 3.82178 8 h after light 3.355665 3.0847 3.62663 12 h after light 3.607785 3.34372 3.87185 4 h after dark 4.883013333333333 4.66921 5.14346 8 h after dark 3.841333333333333 3.67669 4.01915 12 h after dark 2.90218 2.26186 3.25858