condition mean min max 3 h after light 59.083733333333335 56.7172 61.1457 6 h after light 60.37793333333333 50.5824 66.3242 9 h after light 62.877833333333335 55.103 72.5754 12 h after light 60.46025 53.7079 69.4017 3 h after dark 79.57976666666666 71.9836 86.9052 6 h after dark 70.56700000000001 64.2064 77.3435 9 h after dark 62.7393 54.2634 67.9443 12 h after dark 56.958 50.825 63.091