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Historical and Forecast U.S. Degree Day Data Files
Frontier Weather offers U.S. natural gas heating, population, and oil weighted degree day data sets. Most data sets are available from 1971 to present, and forecast data is available out to 15 days as well as nine months (based on our seasonal forecasts).
The table below summarizes what data is available:
Summary of Available Degree Day Data
• Historical and forecast U.S. population weighted degree days
• Historical and forecast U.S. gas weighted degree days
• Historical and forecast U.S. heating oil weighted degree days
• Historical and forecast degree days by census region
• Historical and forecast degree days by gas region
• Historical and forecast degree days by power region
• All degree day files are available in a daily and monthly format
• Historical degree day weighted data is available back to 1970
• Forecast degree day weighted data is available out to 9 months
• Data files are updated twice per day
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You can view a full listing of all the data files available on our subscriber data page by clicking here. Note that you will not be able to access any of the data files without a subscription.
Long-Range Degree Day and NG Storage Projections
Our seasonal forecast data is also available in a nine month daily degree day format to allow for calculating long-range natural gas storage totals and changes.
We have a website page set up to allow viewing this data graphically that is updated daily with our latest forecast data. While we are not attempting to directly forecast week to week weather out to nine months,
the long-range daily data projections are nonetheless useful for projecting long-term changes to natural gas storage levels.
The website page allows you to view not only what the projected storage levels for our seasonal forecast, but to plug in the previous year's data or the five or ten year averages and then calculate the resulting
storage projections. A snapshot of the website page is shown below.
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