Cooling and heating degree days - Cities and FUAs — Cooling degree in Siirt
Siirt: Cooling and heating degree days - Cities and FUAs — Cooling degree was 1.22 % change on previous year in 2025. ◆ Volatile
Latest (2025)
1.22 % change on previous year
Change on year
down 73.8%
Rank
81st
of 1306 regions
All-time high
36.17 % change on previous year
in 1998
All-time low
-29.89 % change on previous year
in 1992
Years of data
75
1951–2025
Cooling and heating degree days - Cities and FUAs — Cooling degree in Siirt, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Siirt recorded 1.22 % change on previous year for cooling and heating degree days - cities and fuas — cooling degree in 2025.
The figure is down 73.8% on the previous year and up 149.2% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in Siirt peaked at 36.17 % change on previous year in 1998 and was at its lowest, -29.89 % change on previous year, in 1992.
Siirt ranks 81st of 1306 regions on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Cooling and heating degree days - Cities and FUAs — Cooling degree in Siirt, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 6.3 % change on previous year | — |
| 1952 | 16.03 % change on previous year | +154.6% |
| 1953 | -2.06 % change on previous year | -112.9% |
| 1954 | 6.37 % change on previous year | -408.7% |
| 1955 | -6.24 % change on previous year | -198.0% |
| 1956 | -17.33 % change on previous year | +177.7% |
| 1957 | -8.52 % change on previous year | -50.8% |
| 1958 | 11.84 % change on previous year | -238.9% |
| 1959 | -12.05 % change on previous year | -201.8% |
| 1960 | 14.67 % change on previous year | -221.8% |
| 1961 | 11.47 % change on previous year | -21.9% |
| 1962 | 17.2 % change on previous year | +50.0% |
| 1963 | -20.43 % change on previous year | -218.8% |
| 1964 | 4.18 % change on previous year | -120.5% |
| 1965 | 6.07 % change on previous year | +45.2% |
| 1966 | 0.5633 % change on previous year | -90.7% |
| 1967 | -21.08 % change on previous year | -3841.6% |
| 1968 | -9.63 % change on previous year | -54.3% |
| 1969 | 18.43 % change on previous year | -291.3% |
| 1970 | 8.08 % change on previous year | -56.2% |
| 1971 | -0.8074 % change on previous year | -110.0% |
| 1972 | -21.93 % change on previous year | +2615.9% |
| 1973 | 29.23 % change on previous year | -233.3% |
| 1974 | -4.28 % change on previous year | -114.6% |
| 1975 | -0.5948 % change on previous year | -86.1% |
| 1976 | -20.9 % change on previous year | +3413.3% |
| 1977 | 21.22 % change on previous year | -201.6% |
| 1978 | -0.988 % change on previous year | -104.7% |
| 1979 | -2.47 % change on previous year | +150.3% |
| 1980 | 12.77 % change on previous year | -616.5% |
| 1981 | -5.45 % change on previous year | -142.7% |
| 1982 | -25.05 % change on previous year | +359.2% |
| 1983 | 8.68 % change on previous year | -134.7% |
| 1984 | 16.02 % change on previous year | +84.6% |
| 1985 | 5.3 % change on previous year | -66.9% |
| 1986 | 1.59 % change on previous year | -70.0% |
| 1987 | -4.12 % change on previous year | -358.6% |
| 1988 | -10.12 % change on previous year | +145.7% |
| 1989 | 28.38 % change on previous year | -380.4% |
| 1990 | -7.74 % change on previous year | -127.3% |
| 1991 | -0.175 % change on previous year | -97.7% |
| 1992 | -29.89 % change on previous year | +16981.0% |
| 1993 | 24.67 % change on previous year | -182.6% |
| 1994 | 20.28 % change on previous year | -17.8% |
| 1995 | -14.6 % change on previous year | -172.0% |
| 1996 | 7.95 % change on previous year | -154.4% |
| 1997 | -16.68 % change on previous year | -309.8% |
| 1998 | 36.17 % change on previous year | -316.9% |
| 1999 | -1.93 % change on previous year | -105.3% |
| 2000 | 4.72 % change on previous year | -344.0% |
| 2001 | -8.12 % change on previous year | -272.1% |
| 2002 | -11.51 % change on previous year | +41.7% |
| 2003 | 15.64 % change on previous year | -235.9% |
| 2004 | -8.85 % change on previous year | -156.5% |
| 2005 | 6.68 % change on previous year | -175.5% |
| 2006 | 12.04 % change on previous year | +80.2% |
| 2007 | -5.19 % change on previous year | -143.1% |
| 2008 | 10.44 % change on previous year | -301.1% |
| 2009 | -26.59 % change on previous year | -354.7% |
| 2010 | 35.49 % change on previous year | -233.5% |
| 2011 | -13.87 % change on previous year | -139.1% |
| 2012 | 15.84 % change on previous year | -214.2% |
| 2013 | -12.38 % change on previous year | -178.2% |
| 2014 | 15.26 % change on previous year | -223.2% |
| 2015 | -2.47 % change on previous year | -116.2% |
| 2016 | -0.8951 % change on previous year | -63.8% |
| 2017 | -0.6442 % change on previous year | -28.0% |
| 2018 | 1.31 % change on previous year | -302.6% |
| 2019 | 3.19 % change on previous year | +144.0% |
| 2020 | -4.18 % change on previous year | -231.2% |
| 2021 | 22.75 % change on previous year | -644.2% |
| 2022 | -5.22 % change on previous year | -122.9% |
| 2023 | -1.97 % change on previous year | -62.2% |
| 2024 | 4.64 % change on previous year | -335.2% |
| 2025 | 1.22 % change on previous year | -73.8% |
Biggest year-on-year movements
Years where Cooling and heating degree days - Cities and FUAs — Cooling degree in Siirt 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 |
|---|---|---|---|
| 1992 | -16981.0% | -0.175 % change on previous year | -29.89 % change on previous year |
| 1967 | -3841.6% | 0.5633 % change on previous year | -21.08 % change on previous year |
| 1976 | -3413.3% | -0.5948 % change on previous year | -20.9 % change on previous year |
| 1972 | -2615.9% | -0.8074 % change on previous year | -21.93 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | -0.6305 % change on previous year | -17.33 % change on previous year | 16.03 % change on previous year | 9 |
| 1960s | 2.14 % change on previous year | -21.08 % change on previous year | 18.43 % change on previous year | 10 |
| 1970s | 0.6557 % change on previous year | -21.93 % change on previous year | 29.23 % change on previous year | 10 |
| 1980s | 2.8 % change on previous year | -25.05 % change on previous year | 28.38 % change on previous year | 10 |
| 1990s | 1.81 % change on previous year | -29.89 % change on previous year | 36.17 % change on previous year | 10 |
| 2000s | -1.07 % change on previous year | -26.59 % change on previous year | 15.64 % change on previous year | 10 |
| 2010s | 4.08 % change on previous year | -13.87 % change on previous year | 35.49 % change on previous year | 10 |
| 2020s | 2.87 % change on previous year | -5.22 % change on previous year | 22.75 % change on previous year | 6 |
More reference data data for Siirt
- Cooling and heating degree days - Cities and FUAs — Change in cooling 4.1 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs, annual growth rate -14.77 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -75.56 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -563.35 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,400 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 253.62 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 832.03 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 11 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 3.06 Days per year (2024)
- Dependency ratio - Cities and FUAs 7.4 Percentage of population aged 15-64 years (2024)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — cooling degree in Siirt?
- Cooling and heating degree days - cities and fuas — cooling degree in Siirt was 1.22 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days - cities and fuas — cooling degree recorded in Siirt?
- The highest recorded value was 36.17 % change on previous year in 1998.
- What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in Siirt?
- The lowest recorded value was -29.89 % change on previous year in 1992.
- How does Siirt rank for cooling and heating degree days - cities and fuas — cooling degree?
- Siirt ranks 81st out of 1306 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in Siirt?
- Over the last ten years it is up 149.2%. The long-run trend across the full record is volatile.
- Where does this Siirt data come from?
- The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 75 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 — Cooling degree days. 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 — Cooling degree 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 — Cooling degree days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.