condition mean min max 0 h after light 6.423475 6.1912 6.65575 2 h after light 4.54313 4.42543 4.66083 4 h after light 2.83798 2.78702 2.88894 8 h after light 3.9297199999999997 3.87058 3.98886 12 h after light 5.360635 4.67282 6.04845 2 h after dark 6.394525 6.00338 6.78567 4 h after dark 4.618395 4.59593 4.64086 8 h after dark 6.928345 6.58855 7.26814 12 h after dark 8.215755 8.13932 8.29219