condition mean min max 3 h after light 10.879543333333332 9.44273 11.6144 6 h after light 8.50803 7.89817 9.19964 9 h after light 7.42777 5.97177 8.93172 12 h after light 12.277595 7.92565 24.4477 3 h after dark 14.447166666666668 11.1461 16.2133 6 h after dark 15.9894 15.084 16.7299 9 h after dark 15.021833333333333 13.743 16.611 12 h after dark 26.116349999999997 21.4593 30.7734