ProductsHeating degree days and cooling degree days
Heating degree days and cooling degree days are updated monthly for 34 weather stations.
We aim to update our records within the first 3 days of the new month. A complete overview of the past 11 years is available in zip file format of approximately 10MB.
The data used is measured and provided by the KNMI in De Bilt.
The Winzip and Excel files are available below. They were last updated on 1 June 2011.
Winzip:
2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 2000-2010
