condition mean min max 4 h after light 10.635345000000001 9.722782 11.547908 8 h after light 10.504772500000001 10.19866 10.810885 12 h after light 11.3440175 11.227306 11.460729 4 h after dark 10.040048500000001 8.573861 11.506236 8 h after dark 9.670252000000001 9.008703 10.331801 12 h after dark 10.634773 10.634773 10.634773