The phrase "than at present" is correct and usable in written English.
It is used to compare something in the past to something in the present. For example: "I had more energy two years ago than at present."
to 5deg.F warmer than at present.
They will be expected work a longer day than at present too.
Although there is no hope of providing complete protection, we can do better than at present.
These seas were probably higher than at present; the Eemian appears to have been a time of very moderate climate, warmer than at present.
kyr BP, erosion rates were only 1.8 times faster than at present.
Discovery of this inlet suggests that the tidal prism was once larger than at present.
"Their approach paths would be higher and therefore less noisy than at present," says the commission.
Outstanding performance would be more clearly marked out, with fewer top grades awarded than at present.
Worldwide climatic conditions during the Triassic seem to have been much more homogeneous than at present.
These could make the scale of long-term incentive payments much more obvious than at present.
It is thus concluded that Earth was warmer during Devonian time than at present.
