condition mean min max 4 h after light 276.43111350000004 225.937863 326.924364 8 h after light 128.061101 86.582453 169.539749 12 h after light 129.77533549999998 106.163339 153.387332 4 h after dark 124.1435125 56.997606 191.289419 8 h after dark 171.3090795 51.001487 291.616672 12 h after dark 716.450981 716.450981 716.450981