condition mean min max 4 h after light 14.203948 14.183422 14.224474 8 h after light 14.2886005 13.141433 15.435768 12 h after light 14.091470999999999 12.283444 15.899498 4 h after dark 15.837145 14.219846 17.454444 8 h after dark 12.712866 11.267804 14.157928 12 h after dark 13.391842 13.391842 13.391842