condition mean min max 0 h after light 5.4513 5.12636 5.77624 4 h after light 0.543333 0.20295 0.883716 8 h after light 0.4490775 0.405508 0.492647 4 h after dark 2.644355 1.76754 3.52117 8 h after dark 1.1811435000000001 0.989107 1.37318 12 h after dark 4.20857 2.64866 5.76848