condition mean min max 0 h after light 171.4795 170.547 172.412 4 h after light 52.8626 43.344 62.3812 8 h after light 35.8096 35.3384 36.2808 4 h after dark 53.379599999999996 43.7955 62.9637 8 h after dark 84.762 82.5547 86.9693 12 h after dark 184.4635 150.463 218.464