condition mean min max 0 h after light 7.41334 6.64667 8.18001 4 h after light 3.2764550000000003 2.83469 3.71822 8 h after light 5.10998 4.70431 5.51565 4 h after dark 2.067555 2.06348 2.07163 8 h after dark 2.7909249999999997 2.28707 3.29478 12 h after dark 6.126465 5.18528 7.06765