condition mean min max 4 h after light 0.4074875 0.405903 0.409072 8 h after light 0.3314295 0.0 0.662859 12 h after light 0.5720455 0.536921 0.60717 4 h after dark 0.5370895 0.176899 0.89728 8 h after dark 0.8833679999999999 0.702946 1.06379 12 h after dark 0.803774 0.734803 0.872745