Cooling and heating degree days by country - annual data

In 1991, Bulgaria's cooling and heating degree days by country increased by 18.4% compared to 1990, reaching 3,086.

Bulgaria accounts for 89.9% of the EU-27 total of 3,434.

Bulgaria ranks 16th out of 27 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has grown by 6.2% (from 2,906 in 1986).

Source: Eurostat dataset nrg_chdd_a, accessed via the eupublicdata pipeline.