condition mean min max 4 h after light 172.18326666666667 153.4174 190.9234 8 h after light 174.15916666666666 121.3542 237.8811 12 h after light 157.53853333333333 118.0554 178.9118 16 h after light 232.17853333333335 204.454 272.1716 4 h after dark 318.6687 298.9424 347.1548 8 h after dark 194.24390000000002 145.5474 248.7203