The historical average is about 15 times earnings, or an expected return of more than 7 percent.

That's well above the historical average of about 2.5 percent.

Natural gas prices were steady, though still more than twice the recent historical average.

The historical average for the day is 0.15 inches, he said.

Americans, by the way, spent 5.67 percent of their income on energy last year, less than the historical average.

Last year's total was 43 percent below the 10-year historical average.

The state wants just a few years, but suppliers would like to sign for longer if the price is above the historical average.

Even with the increases, the rates are still below historical averages.

However, this is well below its historical average of 24.5.

That is roughly three times the historical average, and 14 more than the year before.