condition mean min max 3 h after light 52.7068 39.4679 68.0988 6 h after light 44.216566666666665 42.4484 46.8165 9 h after light 51.18543333333333 36.4208 72.9686 12 h after light 66.5782 47.6783 76.559 3 h after dark 105.68186666666666 93.1016 115.677 6 h after dark 89.46356666666667 80.6451 98.791 9 h after dark 64.2168 56.8533 77.2445 12 h after dark 49.4196 38.9504 63.7303