condition mean min max 4 h after light 1.4152525 0.938615 1.89189 8 h after light 3.01088 1.91601 4.10575 12 h after light 2.726835 1.24158 4.21209 4 h after dark 3.9156649999999997 3.68157 4.14976 8 h after dark 1.532035 1.21913 1.84494 12 h after dark 0.9133800000000001 0.80726 1.0195