condition mean min max 4 h after light 15.6603075 14.620836 16.699779 8 h after light 14.4725445 13.496751 15.448338 12 h after light 16.213431999999997 15.169272 17.257592 4 h after dark 15.4848835 14.717219 16.252548 8 h after dark 15.4460435 14.577886 16.314201 12 h after dark 13.932287 13.932287 13.932287