The phrase "reach an average of" is correct and usable in written English.
You can use this phrase when you want to describe the average amount or level that something has reached. For example: "The temperature in the city reached an average of 92 degrees Fahrenheit this summer."
Property prices in England and Wales rose by 1% in September to reach an average of £186,553, said the Land Registry.
Prices rose by 10.3% in 2012, almost 10 times the typical 1.7% across England and Wales, to reach an average of £429,000.
Meanwhile, it was reported that UK house prices increased by 1.7% in 2012 to reach an average of £162,080, putting many homes even further out of reach for first-time buyers.
If the proposal is approved by the seven-member Water Board, an independent body appointed by the mayor, annual water and sewage charges for apartments would reach an average of $486, or an increase of $15.
Combined, the five channels helped "Rosie" to reach an average of 1.5 million viewers during the 7 p.m. hour, and helped "Oprah" reach about 1.2 million viewers during the 8 p.m. hour.
By 2014 the public debt of the leading rich countries will reach an average of 110% of GDP, up by almost 40 percentage points from 2007, says the IMF.
(BET reached an average of 438,000 viewers in prime time. TV One, another channel that has programming for black audiences, reached an average of 88,000).
Over the course of that month, users reached an average of 61 percent of their friends.
"The show is up about 30percentt," Mr. Davies said, reaching an average of 4.2 million viewers.
The average maximum temperature in July is 30ºC (86ºF); humidity reaches an average of 92%.
Last year, household gasoline costs reached an average of more than $2,850 a year, the federation said.
