condition mean min max 4 h after light 14.3296675 12.765119 15.894216 8 h after light 11.6998485 10.608144 12.791553 12 h after light 13.434660000000001 12.791553 14.077767 4 h after dark 11.5662825 10.736764 12.395801 8 h after dark 12.663138499999999 11.533945 13.792332 12 h after dark 12.49244 12.49244 12.49244