condition mean min max 4 h after light 9.8909555 9.583251 10.19866 8 h after light 9.8570495 9.515439 10.19866 12 h after light 10.304078 10.19866 10.409496 4 h after dark 10.559222 10.19866 10.919784 8 h after dark 10.216045000000001 10.19866 10.23343 12 h after dark 10.19866 10.19866 10.19866