In order to compare my energy costs for different periods I am looking at the "heating degree days" for the nearest weather station Tobermory.
The graph confirms my memory of the last few winters. Certainly this past winter was NOT AS COLD as the previous three. I need to keep this in mind before I go patting myself on the back for energy reduction this past year as I have worked on this project.
I am midway between Tobermory and Wiarton. The data for other locations in Canada are available at weatherstats.ca. I thought Tobermory might be slightly more pessimistic data since it is further north and indeed as I compare month by month for last year, Tobermory is usually, but not always colder than Wiarton (higher degree days for the month).
The data is available monthly as well as quarterly.
Heating Degree Days are similar but different from Growing Degree Days (for agriculture) or Cooling Degree Days (for air conditioning).
Thanks for your interest.
George Plhak
Lion's Head, Ontario, Canada
INDEX to the series
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