condition mean min max 4 h after light 4.17042 1.52289 7.00137 8 h after light 2.93135 1.18919 4.50068 12 h after light 4.330556666666666 2.16423 5.73573 4 h after dark 6.24773 5.04654 7.43394 8 h after dark 4.221426666666667 3.88934 4.69029 12 h after dark 3.80636 2.942 4.68454