The phrase "at historic levels" is correct and usable in written English.
It can be used to describe a situation or measurement that is unprecedented or significantly high in a historical context.
Example: "The unemployment rate has fallen to at historic levels, indicating a strong recovery in the job market."
Alternatives: "at unprecedented levels" or "at record levels".
But it can find no believable plan to rein in ballooning deficits, already at historic levels.
Corporate bankruptcies, already at historic levels, are expected to top 40,000 by next year, draining Germany's already fragile banks.
California's merchant generators have been running their aging California power plants at historic levels to help Californians get through the state's energy crisis.
The welfare state was built on the expectation that the price of oil would remain at historic levels of at least a hundred dollars a barrel.
"It is not possible to maintain traditional regular forces at historic levels while investing in countering the threats of tomorrow," he said.
WASHINGTON — Felons are asking President Bush for pardons and commutations at historic levels as he nears his final months in office, a time when many other presidents have granted a flurry of clemency requests.
These plants were exempted from the 1977 Clean Air Act, and allowed to continue polluting at their historic levels, as long as they did not undertake major changes.
They've created value, wealth, and opportunity at unprecedented historic levels.
Additionally, the baseline demographic features and disease characteristics reported at peak historic levels in the registry are generally similar to those reported in clinical trials of biological agents, although some differences are noted.
Many demographic features of the PSOLAR population reported at enrolment (e.g. age) and disease characteristics (e.g. % BSA) reported at peak historic levels are generally similar to those reported in phase III clinical trials and other observational studies of biologics in psoriasis, while others (e.g. male: female ratio) may differ.
The bank says that the super-senior positions were stress-tested at well above historic levels, but losses on the trade still accounted for the bulk of its $7.8 billion subprime-related write-downs in the fourth quarter of 2007.The tale of Société Générale offers another variation on this theme.
