You are correct. August 2010 was hotter and drier than previous Augusts. According to Guy Verhoff, Pandora weather observer, here are the weather facts:
August 2010 average maximum daily temperature: 85.1 degrees
August 2010 average minimum daily temperature: 64.9 degrees
August 2010 precipitation: 2.88 inches
Average August 2010 temperature: 75.0 degrees
Normal August average temperature: 70.5 degres
Normal August precipitation: 3.42 inches
August 2010 high temperature: 93 degrees on Aug. 30