Carbon County's retirement fund has hit an all-time high, officials report.

During the county retirement board meeting on Thursday, Robert Crampsie, county controller and secretary to the retirement board, announced that the retirement fund, as of July 31, has hit $69,914,728, up $2.7 million from June."It has been a sort of mini roller coaster," Crampsie said. "In May we were at $68.5 million and took a dip in June, but recovered that in July and made some more. So far this year performance-wise has been excellent."The retirement fund started the year with a market value of $63,409,980.In other matters, the board voted to adopt the 2013 mortality table, which is used to determine the county's annual required contribution. The mortality table that has been used up until now was from 1983.The board also voted to change from the aggregate to the entry age method for funding purposes.