From National Weather Service:
The average monthly temperature for July 2011 at Lubbock International Airport was 86.0 degrees. This not only makes July 2011 the hottest July on record but also makes July 2011 the hottest month ever on record for Lubbock.
Temperature records for Lubbock began in 1911.
The previous hottest July on record was 85.4 degrees in 1966, and the previous hottest month ever on record was 85.9 degrees which occurred just last month.