condition mean min max 4 h after light 116.30605 96.177576 136.434524 8 h after light 130.5374765 110.304435 150.770518 12 h after light 117.232057 117.232057 117.232057 4 h after dark 142.3746585 120.440721 164.308596 8 h after dark 147.6227295 111.151144 184.094315 12 h after dark 86.132441 86.132441 86.132441