States and Cities

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Note: Degree Days Outlooks are now accessible via the "Outlook Maps and Graphs" option. Choose "Special Outlooks Products".

Maintenance History:

CURRENT SITUATION: Degree Day summaries for the week ending November 14 and forecasts for the week ending November 21 are now available on the Web site.

The degree days computed in real-time during August 20 to October 31 (2009) were erroneous due to corrupted temperature grids. The data was re-run and the correct values are now in the archives.

The degree days computed in real-time during Jan 12 to April 26 (2008) were erroneous due to corrupted temperature grids. The data was re-run and the correct values are now in the archives.

The daily station normals from the National Climatic Data Center (NCDC) were corrected on June 28, 2003. The archives were reconstructed for heating degree days back to July 2002 and for cooling degree days back to January 2003.

Explanation

• Degree Days
• Growing Degree Days
• Degree Day Regions

Weekly Tables

• Cooling Degree Days Cities Listing
• Heating Degree Days Cities Listing
• Cooling Degree Days Population Weighted
• Heating Degree Days Population Weighted
• Growing Degree Days (Corn)

Monthly Tables

• Cooling Degree Days Cities Listing
• Heating Degree Days Cities Listing
• Cooling Degree Days Population Weighted
• Heating Degree Days Population Weighted

Archives

• (Last 3 weeks/3 months)

Note: The archives have been corrected (on June 28, 2003) for Heating Degree Days back to July 2002 and for Cooling Degree Days back to January 2003.

• 1997-current (Note: this data is preliminary. For final and verified monthly data, contact the National Climatic Data Center. For additional information about this archive contact Adam Allgood at: Adam.Allgood@noaa.gov