condition mean min max 4 h after light 14.056636000000001 13.679553 14.433719 8 h after light 12.766937 12.764585 12.769289 12 h after light 10.8023135 10.743807 10.86082 4 h after dark 11.394273 11.325037 11.463509 8 h after dark 13.0829685 12.487487 13.67845 12 h after dark 14.151006 14.151006 14.151006