condition mean min max 4 h after light 3.008521 2.948068 3.097165 8 h after light 2.143674 1.4549940000000001 2.494767 12 h after light 1.417072 1.316822 1.554724 16 h after light 3.0750466666666667 2.6429099999999996 3.408075 4 h after dark 2.4274506666666666 2.188345 2.799834 8 h after dark 2.8802583333333334 2.508918 3.120675