Cooling and heating degree days by country in Portugal, 1999
Cooling and heating degree days by country in 1999: 12 values, Annual average — 108.75 degree days. Official data — Eurostat.

1999 totals
- Annual average: 108.75 degree days
- Value at start of year: 274.25 degree days (1 January 1999)
- Value at end of year: 243.07 degree days (1 December 1999)
- Minimum and maximum: 0.13 … 274.25 degree days
- Number of observations: 12
- Source: Eurostat
All values for 1999
| Date | Value, degree days |
|---|---|
| 1 January 1999 | 274.25 |
| 1 February 1999 | 225.55 |
| 1 March 1999 | 159.17 |
| 1 April 1999 | 99.38 |
| 1 May 1999 | 41.82 |
| 1 June 1999 | 7.4 |
| 1 July 1999 | 0.13 |
| 1 August 1999 | 0.38 |
| 1 September 1999 | 9.74 |
| 1 October 1999 | 45.89 |
| 1 November 1999 | 198.16 |
| 1 December 1999 | 243.07 |
Full history and interactive chart
Complete series for Portugal — on the Cooling and heating degree days by country page.
Other years
- Cooling and heating degree days by country in 2011
- Cooling and heating degree days by country in 2012
- Cooling and heating degree days by country in 2013
- Cooling and heating degree days by country in 2014
- Cooling and heating degree days by country in 2015
- Cooling and heating degree days by country in 2016
- Cooling and heating degree days by country in 2017
- Cooling and heating degree days by country in 2018
- Cooling and heating degree days by country in 2019
- Cooling and heating degree days by country in 2020
- Cooling and heating degree days by country in 2021
- Cooling and heating degree days by country in 2022
- Cooling and heating degree days by country in 2023
- Cooling and heating degree days by country in 2024
- Cooling and heating degree days by country in 2025