Cooling and heating: Cities and FUAs … degree 1981 2010 period in İzmir
İzmir: Cooling and heating: Cities and FUAs … degree 1981 2010 period was -88.9 % change on previous year in 2025. ◆ Volatile
Cooling and heating degree days - Cities and FUAs — Change in cooling in İzmir, 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 cooling in İzmir is -88.9 % change on previous year, measured in 2025.
Compared with earlier readings it is down 149.8% on the previous year and up 21.9% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in İzmir peaked at 901.95 % change on previous year in 1987 and was at its lowest, -341.92 % change on previous year, in 1991.
İzmir ranks 450th of 1306 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: Cities and FUAs … degree 1981 2010 period in İzmir, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -68.91 % change on previous year | — |
| 1952 | 357.03 % change on previous year | -618.1% |
| 1953 | -135.93 % change on previous year | -138.1% |
| 1954 | 184.66 % change on previous year | -235.8% |
| 1955 | -263.3 % change on previous year | -242.6% |
| 1956 | 134.02 % change on previous year | -150.9% |
| 1957 | 12.27 % change on previous year | -90.8% |
| 1958 | -281.19 % change on previous year | -2392.1% |
| 1959 | -223.88 % change on previous year | -20.4% |
| 1960 | 68.24 % change on previous year | -130.5% |
| 1961 | -27.6 % change on previous year | -140.4% |
| 1962 | 170.38 % change on previous year | -717.4% |
| 1963 | 5.09 % change on previous year | -97.0% |
| 1964 | -324.66 % change on previous year | -6477.9% |
| 1965 | 66.96 % change on previous year | -120.6% |
| 1966 | -67.15 % change on previous year | -200.3% |
| 1967 | 24.42 % change on previous year | -136.4% |
| 1968 | -96.07 % change on previous year | -493.4% |
| 1969 | 52.45 % change on previous year | -154.6% |
| 1970 | -23.76 % change on previous year | -145.3% |
| 1971 | -81.11 % change on previous year | +241.4% |
| 1972 | -58.89 % change on previous year | -27.4% |
| 1973 | 30.54 % change on previous year | -151.9% |
| 1974 | -7.15 % change on previous year | -123.4% |
| 1975 | -17.97 % change on previous year | +151.2% |
| 1976 | -114.43 % change on previous year | +536.8% |
| 1977 | 82.33 % change on previous year | -171.9% |
| 1978 | -190.92 % change on previous year | -331.9% |
| 1979 | 47.8 % change on previous year | -125.0% |
| 1980 | -79.64 % change on previous year | -266.6% |
| 1981 | 61.91 % change on previous year | -177.7% |
| 1982 | -109.86 % change on previous year | -277.4% |
| 1983 | -74.72 % change on previous year | -32.0% |
| 1984 | 36.22 % change on previous year | -148.5% |
| 1985 | 55.83 % change on previous year | +54.1% |
| 1986 | 101.43 % change on previous year | +81.7% |
| 1987 | 901.95 % change on previous year | +789.2% |
| 1988 | 723.68 % change on previous year | -19.8% |
| 1989 | -234.28 % change on previous year | -132.4% |
| 1990 | 77.71 % change on previous year | -133.2% |
| 1991 | -341.92 % change on previous year | -540.0% |
| 1992 | 15.96 % change on previous year | -104.7% |
| 1993 | 60.6 % change on previous year | +279.6% |
| 1994 | 519.67 % change on previous year | +757.5% |
| 1995 | -153.73 % change on previous year | -129.6% |
| 1996 | 0.5124 % change on previous year | -100.3% |
| 1997 | -126.25 % change on previous year | -24739.5% |
| 1998 | 111.32 % change on previous year | -188.2% |
| 1999 | 299.01 % change on previous year | +168.6% |
| 2000 | 54.22 % change on previous year | -81.9% |
| 2001 | -3.59 % change on previous year | -106.6% |
| 2002 | -145.98 % change on previous year | +3964.7% |
| 2003 | 310.02 % change on previous year | -312.4% |
| 2004 | -83.45 % change on previous year | -126.9% |
| 2005 | -220.69 % change on previous year | +164.5% |
| 2006 | 470.29 % change on previous year | -313.1% |
| 2007 | 202.26 % change on previous year | -57.0% |
| 2008 | -25.69 % change on previous year | -112.7% |
| 2009 | -77.36 % change on previous year | +201.2% |
| 2010 | 239.12 % change on previous year | -409.1% |
| 2011 | -56.24 % change on previous year | -123.5% |
| 2012 | 375.36 % change on previous year | -767.4% |
| 2013 | -62.4 % change on previous year | -116.6% |
| 2014 | -113.78 % change on previous year | +82.3% |
| 2016 | 38.25 % change on previous year | -133.6% |
| 2017 | -32.13 % change on previous year | -184.0% |
| 2018 | 21.61 % change on previous year | -167.3% |
| 2019 | 5.52 % change on previous year | -74.4% |
| 2020 | 8.92 % change on previous year | +61.5% |
| 2021 | -12.89 % change on previous year | -244.6% |
| 2022 | -17.34 % change on previous year | +34.5% |
| 2023 | 9.18 % change on previous year | -152.9% |
| 2024 | 178.57 % change on previous year | +1845.7% |
| 2025 | -88.9 % change on previous year | -149.8% |
Biggest year-on-year movements
Years where Cooling and heating: Cities and FUAs … degree 1981 2010 period in İzmir changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1997 | -24739.5% | 0.5124 % change on previous year | -126.25 % change on previous year |
| 1964 | -6477.9% | 5.09 % change on previous year | -324.66 % change on previous year |
| 2002 | -3964.7% | -3.59 % change on previous year | -145.98 % change on previous year |
| 1958 | -2392.1% | 12.27 % change on previous year | -281.19 % change on previous year |
| 2024 | +1845.7% | 9.18 % change on previous year | 178.57 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | -31.69 % change on previous year | -281.19 % change on previous year | 357.03 % change on previous year | 9 |
| 1960s | -12.79 % change on previous year | -324.66 % change on previous year | 170.38 % change on previous year | 10 |
| 1970s | -33.36 % change on previous year | -190.92 % change on previous year | 82.33 % change on previous year | 10 |
| 1980s | 138.25 % change on previous year | -234.28 % change on previous year | 901.95 % change on previous year | 10 |
| 1990s | 46.29 % change on previous year | -341.92 % change on previous year | 519.67 % change on previous year | 10 |
| 2000s | 48 % change on previous year | -220.69 % change on previous year | 470.29 % change on previous year | 10 |
| 2010s | 46.14 % change on previous year | -113.78 % change on previous year | 375.36 % change on previous year | 9 |
| 2020s | 12.92 % change on previous year | -88.9 % change on previous year | 178.57 % change on previous year | 6 |
More reference data data for İzmir
- Cooling and heating degree days - Cities and FUAs — Cooling degree -31.16 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs, annual growth rate -21.64 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -80.66 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -454.81 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 cooling 29.94 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 529.52 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)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in cooling in İzmir?
- Cooling and heating degree days - cities and fuas — change in cooling in İzmir was -88.9 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days - cities and fuas — change in cooling recorded in İzmir?
- The highest recorded value was 901.95 % change on previous year in 1987.
- What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in İzmir?
- The lowest recorded value was -341.92 % change on previous year in 1991.
- How does İzmir rank for cooling and heating degree days - cities and fuas — change in cooling?
- İzmir ranks 450th out of 1306 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in İzmir?
- Over the last ten years it is up 21.9%. The long-run trend across the full record is volatile.
- Where does this İzmir data come from?
- The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in cooling 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 — 74 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 cooling 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 cooling 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 cooling 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.