condition mean min max 4 h after light 168.288549 141.740749 194.836349 8 h after light 187.71051599999998 184.6679 190.753132 12 h after light 190.2740925 190.206449 190.341736 4 h after dark 138.63975449999998 119.977644 157.301865 8 h after dark 159.12018849999998 150.495354 167.745023 12 h after dark 113.555176 113.555176 113.555176