condition mean min max 0 h after light 8.118875 8.07973 8.15802 2 h after light 7.27455 6.59452 7.95458 4 h after light 8.50833 7.84707 9.16959 8 h after light 8.685675 6.74005 10.6313 12 h after light 10.689720000000001 9.83224 11.5472 2 h after dark 11.51625 10.7143 12.3182 4 h after dark 10.318000000000001 8.05 12.586 8 h after dark 11.066099999999999 10.2647 11.8675 12 h after dark 8.242455 7.66326 8.82165