condition mean min max 4 h after light 49.81044 37.663453 61.957427 8 h after light 44.956101000000004 36.704897 53.207305 12 h after light 55.8252475 55.548621 56.101874 4 h after dark 66.5594095 63.189078 69.929741 8 h after dark 49.153602 44.003996 54.303208 12 h after dark 109.32822 109.32822 109.32822