Cooling and heating degree days by NUTS 2 regions in Bulgaria, 1981
Cooling and heating degree days by NUTS 2 regions in 1981: 12 values, Annual average — 236.33 degree days. Official data — Eurostat.

1981 totals
- Annual average: 236.33 degree days
- Value at start of year: 619.75 degree days (1 January 1981)
- Value at end of year: 469.87 degree days (1 December 1981)
- Minimum and maximum: 7.54 … 619.75 degree days
- Number of observations: 12
- Source: Eurostat
All values for 1981
| Date | Value, degree days |
|---|---|
| 1 January 1981 | 619.75 |
| 1 February 1981 | 488 |
| 1 March 1981 | 324.08 |
| 1 April 1981 | 236.36 |
| 1 May 1981 | 126.19 |
| 1 June 1981 | 7.54 |
| 1 July 1981 | 8.05 |
| 1 August 1981 | 15.8 |
| 1 September 1981 | 25.83 |
| 1 October 1981 | 114.87 |
| 1 November 1981 | 399.65 |
| 1 December 1981 | 469.87 |
Full history and interactive chart
Complete series for Bulgaria — on the Cooling and heating degree days by NUTS 2 regions page.
Other years
- Cooling and heating degree days by NUTS 2 regions in 2011
- Cooling and heating degree days by NUTS 2 regions in 2012
- Cooling and heating degree days by NUTS 2 regions in 2013
- Cooling and heating degree days by NUTS 2 regions in 2014
- Cooling and heating degree days by NUTS 2 regions in 2015
- Cooling and heating degree days by NUTS 2 regions in 2016
- Cooling and heating degree days by NUTS 2 regions in 2017
- Cooling and heating degree days by NUTS 2 regions in 2018
- Cooling and heating degree days by NUTS 2 regions in 2019
- Cooling and heating degree days by NUTS 2 regions in 2020
- Cooling and heating degree days by NUTS 2 regions in 2021
- Cooling and heating degree days by NUTS 2 regions in 2022
- Cooling and heating degree days by NUTS 2 regions in 2023
- Cooling and heating degree days by NUTS 2 regions in 2024
- Cooling and heating degree days by NUTS 2 regions in 2025