Degree day data


Note VESMA.COM no longer provides a subscription service for degree days. The service is now operated by Daniel Curtis Energy at Limited free data are available (with a time delay) through The Energy Management Register

Quality and accuracy
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Archived monthly figures
Standard values (for normalisation)
20-year average values (for forecasting) Excel spreadsheet

Degree days explained
Method of calculation
Leaflet 7: Accounting for the weather
Monitoring and targeting