Description of one-minute data spreadsheets
Description of hourly and daily data spreadsheets

One-minute data:

November 16, 2005

May 2006

June 2006

July 2006

August 2006

September 2006
September 1, 2006
September 2, 2006
September 3, 2006
September 4, 2006
September 5, 2006
September 6, 2006
September 7, 2006
September 8, 2006
September 9, 2006
September 10, 2006
September 11, 2006
September 12, 2006
September 13, 2006
September 14, 2006

Hourly data:
November 2005
May 2006
June 2006
July 2006
August 2006
September 2006

Midnight daily data:
May 2006
June 2006
July 2006
August 2006
September 2006

7 am daily data:
May 2006
June 2006
July 2006
August 2006
September 2006