The Cheyenne Hotel in Big Sky, Montana, has accumulated records of the total electrical costs of the hotel and the number of occupancy-days over the last year. An occupancy-day represents a room rented for one day. The hotel's business is highly seasonal, with peaks occurring during the ski season and in the summer. Electrical Costs Month Occupancy Days January 3,350 $9,241 February 3,610 $ 9,666 March 1,680 $ 5,208 April 1,230 $1,813 May June 4,380 $10,428 1,690 $ 5,239 July 4,130 $ 10,058 August 4,250 $ 10,125 September 1,950 $ 6,045 October 2,140 November 1,480 $ 6,634 $4,588 December 2,710 $ 7,829