condition mean min max 4 h after light 12.658651500000001 11.597091 13.720212 8 h after light 9.707831 9.707831 9.707831 12 h after light 9.4333995 9.158968 9.707831 4 h after dark 10.0655095 9.639539 10.49148 8 h after dark 10.382972 8.815357 11.950587 12 h after dark 9.613434 9.613434 9.613434