condition mean min max 4 h after light 56.91675 53.9703 59.8632 8 h after light 45.3575 43.0545 47.6605 12 h after light 62.60015 61.9454 63.2549 4 h after dark 86.79034999999999 85.1839 88.3968 8 h after dark 86.3706 84.1491 88.5921 12 h after dark 78.6193 77.788 79.4506