Cooling and heating degree days - Cities and FUAs — Change in heating in Izmir
Izmir: Cooling and heating degree days - Cities and FUAs — Change in heating was -80.66 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-80.66 % change on previous year
Change on year
down 1,445.2%
Rank
924th
of 1290 regions
All-time high
640.44 % change on previous year
in 1972
All-time low
-788.89 % change on previous year
in 1999
Years of data
71
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Izmir, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for cooling and heating degree days - cities and fuas — change in heating in Izmir is -80.66 % change on previous year, measured in 2025.
That represents a change of down 1,445.2% on the previous year and down 196.1% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Izmir peaked at 640.44 % change on previous year in 1972 and was at its lowest, -788.89 % change on previous year, in 1999.
Izmir ranks 924th of 1290 regions on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Cooling and heating degree days - Cities and FUAs — Change in heating in Izmir, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -353.51 % change on previous year | — |
| 1952 | -0.1327 % change on previous year | -100.0% |
| 1953 | 189.54 % change on previous year | -142956.3% |
| 1954 | -51.46 % change on previous year | -127.2% |
| 1955 | -393.56 % change on previous year | +664.8% |
| 1956 | 160.3 % change on previous year | -140.7% |
| 1957 | -105.53 % change on previous year | -165.8% |
| 1959 | 132.67 % change on previous year | -225.7% |
| 1960 | -511.93 % change on previous year | -485.9% |
| 1961 | 85.62 % change on previous year | -116.7% |
| 1962 | -458.19 % change on previous year | -635.2% |
| 1963 | 37.86 % change on previous year | -108.3% |
| 1964 | 206.46 % change on previous year | +445.3% |
| 1965 | -74.22 % change on previous year | -135.9% |
| 1967 | 129.49 % change on previous year | -274.5% |
| 1968 | -156.42 % change on previous year | -220.8% |
| 1969 | 194.05 % change on previous year | -224.1% |
| 1970 | -366.11 % change on previous year | -288.7% |
| 1971 | 81.26 % change on previous year | -122.2% |
| 1972 | 640.44 % change on previous year | +688.2% |
| 1973 | -71.23 % change on previous year | -111.1% |
| 1974 | 213.14 % change on previous year | -399.2% |
| 1975 | -1.64 % change on previous year | -100.8% |
| 1976 | 0.0182 % change on previous year | -101.1% |
| 1977 | -123.78 % change on previous year | -681694.7% |
| 1978 | -22.71 % change on previous year | -81.7% |
| 1979 | -226.45 % change on previous year | +897.0% |
| 1980 | 184.24 % change on previous year | -181.4% |
| 1981 | -184.03 % change on previous year | -199.9% |
| 1982 | 208.18 % change on previous year | -213.1% |
| 1983 | -27 % change on previous year | -113.0% |
| 1984 | -148.21 % change on previous year | +449.0% |
| 1985 | -82.62 % change on previous year | -44.3% |
| 1986 | -11.09 % change on previous year | -86.6% |
| 1987 | 328.69 % change on previous year | -3063.4% |
| 1988 | -43.55 % change on previous year | -113.2% |
| 1989 | -20.6 % change on previous year | -52.7% |
| 1990 | -195.68 % change on previous year | +849.9% |
| 1991 | 268.44 % change on previous year | -237.2% |
| 1992 | 208.26 % change on previous year | -22.4% |
| 1993 | -55.96 % change on previous year | -126.9% |
| 1994 | -139.78 % change on previous year | +149.8% |
| 1995 | 80.94 % change on previous year | -157.9% |
| 1996 | 573.4 % change on previous year | +608.5% |
| 1997 | 150.35 % change on previous year | -73.8% |
| 1998 | -121.21 % change on previous year | -180.6% |
| 1999 | -788.89 % change on previous year | +550.8% |
| 2000 | 138.75 % change on previous year | -117.6% |
| 2001 | -214.82 % change on previous year | -254.8% |
| 2002 | 44.44 % change on previous year | -120.7% |
| 2003 | 382.42 % change on previous year | +760.6% |
| 2004 | -94.72 % change on previous year | -124.8% |
| 2005 | -121 % change on previous year | +27.7% |
| 2007 | -197.41 % change on previous year | +63.2% |
| 2008 | -26.03 % change on previous year | -86.8% |
| 2009 | -153.69 % change on previous year | +490.5% |
| 2010 | -81.08 % change on previous year | -47.2% |
| 2011 | 151 % change on previous year | -286.2% |
| 2012 | -102.34 % change on previous year | -167.8% |
| 2014 | -139.5 % change on previous year | +36.3% |
| 2015 | 83.92 % change on previous year | -160.2% |
| 2016 | -93.45 % change on previous year | -211.4% |
| 2017 | 23.25 % change on previous year | -124.9% |
| 2018 | -260.66 % change on previous year | -1221.2% |
| 2019 | 23.92 % change on previous year | -109.2% |
| 2020 | 17.06 % change on previous year | -28.7% |
| 2021 | -11.36 % change on previous year | -166.6% |
| 2022 | 62.78 % change on previous year | -652.8% |
| 2023 | -207.06 % change on previous year | -429.8% |
| 2024 | -5.22 % change on previous year | -97.5% |
| 2025 | -80.66 % change on previous year | +1445.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | -52.71 % change on previous year | -393.56 % change on previous year | 189.54 % change on previous year | 8 |
| 1960s | -60.81 % change on previous year | -511.93 % change on previous year | 206.46 % change on previous year | 9 |
| 1970s | 12.29 % change on previous year | -366.11 % change on previous year | 640.44 % change on previous year | 10 |
| 1980s | 20.4 % change on previous year | -184.03 % change on previous year | 328.69 % change on previous year | 10 |
| 1990s | -2.01 % change on previous year | -788.89 % change on previous year | 573.4 % change on previous year | 10 |
| 2000s | -26.9 % change on previous year | -214.82 % change on previous year | 382.42 % change on previous year | 9 |
| 2010s | -43.88 % change on previous year | -260.66 % change on previous year | 151 % change on previous year | 9 |
| 2020s | -37.41 % change on previous year | -207.06 % change on previous year | 62.78 % change on previous year | 6 |
More reference data data for Izmir
- Cooling and heating degree days - Cities and FUAs — Cooling degree 529.52 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 29.94 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 735.29 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -454.81 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 10.36 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 1.13 Days per year (2024)
- Exposure to extreme precipitation — Annual precipitation change 212.21 Millimetres per year (2023)
- Exposure to extreme temperature — Annual temperature change 1.4 Degrees celsius (2023)
- Dependency ratio - Cities and FUAs 18.3 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 33.26 Percentage of area (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Izmir?
- Cooling and heating degree days - cities and fuas — change in heating in Izmir was -80.66 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days - cities and fuas — change in heating recorded in Izmir?
- The highest recorded value was 640.44 % change on previous year in 1972.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Izmir?
- The lowest recorded value was -788.89 % change on previous year in 1999.
- How does Izmir rank for cooling and heating degree days - cities and fuas — change in heating?
- Izmir ranks 924th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Izmir?
- Over the last ten years it is down 196.1%. The long-run trend across the full record is volatile.
- Where does this Izmir data come from?
- The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 71 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Cooling and heating degree days - Cities and FUAs — Change in heating Organisation for Economic Co-operation and Development
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.