condition mean min max 4 h after light 6.801315000000001 6.05599 7.54664 8 h after light 4.42163 4.33637 4.50689 12 h after light 3.7860699999999996 3.45649 4.11565 4 h after dark 5.052 4.74198 5.32879 8 h after dark 5.41143 5.2028 5.53349 12 h after dark 5.73773 5.49438 5.91292