condition mean min max 4 h after light 3.14425 2.74103 3.54747 8 h after light 3.3914999999999997 2.95177 3.83123 12 h after light 2.5169915 0.737423 4.29656 4 h after dark 4.136723333333333 2.73551 5.03726 8 h after dark 5.0151 1.96594 7.42626 12 h after dark 6.65722 4.48649 10.5702