Cooling and heating degree days - Cities and FUAs — Change in heating in Ravenna
Ravenna: Cooling and heating degree days - Cities and FUAs — Change in heating was -95.53 % change on previous year in 2025. ◆ Volatile
Cooling and heating degree days - Cities and FUAs — Change in heating in Ravenna, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
In 2025, cooling and heating degree days - cities and fuas — change in heating in Ravenna stood at -95.53 % change on previous year.
That represents a change of down 3,748.7% on the previous year and down 250.8% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Ravenna peaked at 577.07 % change on previous year in 1962 and was at its lowest, -460.3 % change on previous year, in 1961.
Ravenna ranks 974th of 1290 regions on this measure, in the bottom quarter.
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 Ravenna, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -223.99 % change on previous year | — |
| 1952 | 401.85 % change on previous year | -279.4% |
| 1953 | -20.04 % change on previous year | -105.0% |
| 1954 | 36.01 % change on previous year | -279.7% |
| 1955 | -98.55 % change on previous year | -373.6% |
| 1957 | -94.86 % change on previous year | -3.7% |
| 1958 | -91.06 % change on previous year | -4.0% |
| 1960 | 88.48 % change on previous year | -197.2% |
| 1961 | -460.3 % change on previous year | -620.2% |
| 1962 | 577.07 % change on previous year | -225.4% |
| 1963 | 41.56 % change on previous year | -92.8% |
| 1964 | -56.38 % change on previous year | -235.7% |
| 1965 | 3.24 % change on previous year | -105.7% |
| 1966 | -33.95 % change on previous year | -1147.3% |
| 1967 | 0.5304 % change on previous year | -101.6% |
| 1968 | -64.41 % change on previous year | -12242.6% |
| 1969 | 575.49 % change on previous year | -993.5% |
| 1970 | -62.04 % change on previous year | -110.8% |
| 1971 | 45.83 % change on previous year | -173.9% |
| 1972 | -156.68 % change on previous year | -441.9% |
| 1973 | 325.17 % change on previous year | -307.5% |
| 1974 | -89.89 % change on previous year | -127.6% |
| 1975 | -117.12 % change on previous year | +30.3% |
| 1977 | -157.19 % change on previous year | +34.2% |
| 1978 | 287.65 % change on previous year | -283.0% |
| 1979 | -47.98 % change on previous year | -116.7% |
| 1980 | 256.57 % change on previous year | -634.8% |
| 1981 | -51.99 % change on previous year | -120.3% |
| 1982 | -63.78 % change on previous year | +22.7% |
| 1983 | 25.21 % change on previous year | -139.5% |
| 1984 | 51.04 % change on previous year | +102.5% |
| 1985 | 74.78 % change on previous year | +46.5% |
| 1986 | -34.52 % change on previous year | -146.2% |
| 1987 | 9.86 % change on previous year | -128.6% |
| 1988 | -127.27 % change on previous year | -1390.4% |
| 1989 | 104.14 % change on previous year | -181.8% |
| 1991 | 377.46 % change on previous year | +262.5% |
| 1992 | -114.08 % change on previous year | -130.2% |
| 1993 | 256.86 % change on previous year | -325.2% |
| 1994 | -442.54 % change on previous year | -272.3% |
| 1995 | 85.08 % change on previous year | -119.2% |
| 1996 | 244.72 % change on previous year | +187.6% |
| 1997 | -321.46 % change on previous year | -231.4% |
| 1998 | 91.14 % change on previous year | -128.4% |
| 1999 | 112.37 % change on previous year | +23.3% |
| 2001 | 50.7 % change on previous year | -54.9% |
| 2002 | -106.79 % change on previous year | -310.6% |
| 2003 | 131.6 % change on previous year | -223.2% |
| 2004 | -112.71 % change on previous year | -185.6% |
| 2006 | -124.54 % change on previous year | +10.5% |
| 2007 | -389.1 % change on previous year | +212.4% |
| 2008 | 22.73 % change on previous year | -105.8% |
| 2009 | 43.87 % change on previous year | +93.0% |
| 2010 | 222.88 % change on previous year | +408.0% |
| 2011 | -110.99 % change on previous year | -149.8% |
| 2012 | 560.16 % change on previous year | -604.7% |
| 2013 | -158.44 % change on previous year | -128.3% |
| 2015 | 63.35 % change on previous year | -140.0% |
| 2016 | -40.84 % change on previous year | -164.5% |
| 2017 | 50.19 % change on previous year | -222.9% |
| 2018 | -41.14 % change on previous year | -182.0% |
| 2019 | -50.28 % change on previous year | +22.2% |
| 2020 | 10.18 % change on previous year | -120.3% |
| 2021 | 58.4 % change on previous year | +473.5% |
| 2022 | -139.76 % change on previous year | -339.3% |
| 2023 | -1.38 % change on previous year | -99.0% |
| 2024 | 2.62 % change on previous year | -290.4% |
| 2025 | -95.53 % change on previous year | -3748.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | -12.95 % change on previous year | -223.99 % change on previous year | 401.85 % change on previous year | 7 |
| 1960s | 67.13 % change on previous year | -460.3 % change on previous year | 577.07 % change on previous year | 10 |
| 1970s | 3.08 % change on previous year | -157.19 % change on previous year | 325.17 % change on previous year | 9 |
| 1980s | 24.4 % change on previous year | -127.27 % change on previous year | 256.57 % change on previous year | 10 |
| 1990s | 32.17 % change on previous year | -442.54 % change on previous year | 377.46 % change on previous year | 9 |
| 2000s | -60.53 % change on previous year | -389.1 % change on previous year | 131.6 % change on previous year | 8 |
| 2010s | 54.99 % change on previous year | -158.44 % change on previous year | 560.16 % change on previous year | 9 |
| 2020s | -27.58 % change on previous year | -139.76 % change on previous year | 58.4 % change on previous year | 6 |
More reference data data for Ravenna
- Cooling and heating degree days - Cities and FUAs — Change in heating -415.27 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,005 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -13.54 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 288 Degree days (2025)
- Precipitation - Cities and FUAs — Change in extreme precipitation 4.95 Days per year (2024)
- Precipitation - Cities and FUAs — Extreme precipitation days 10.23 Days per year (2024)
- Assumptions for probability of dying by age, sex, type of projection 0.0002 Number (2100)
- Projected deaths by age, sex, type of projection and NUTS 3 region 4,486 Person (2100)
- Cooling and heating degree days by NUTS 2 regions - annual data 1,706 Number (2025)
- Cooling and heating degree days by NUTS 2 regions - monthly data 340.51 Number (2025)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Ravenna?
- Cooling and heating degree days - cities and fuas — change in heating in Ravenna was -95.53 % 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 Ravenna?
- The highest recorded value was 577.07 % change on previous year in 1962.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Ravenna?
- The lowest recorded value was -460.3 % change on previous year in 1961.
- How does Ravenna rank for cooling and heating degree days - cities and fuas — change in heating?
- Ravenna ranks 974th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Ravenna?
- Over the last ten years it is down 250.8%. The long-run trend across the full record is volatile.
- Where does this Ravenna 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 — 68 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.