Cooling and heating degree days by NUTS 2 regions - annual data in Bologna
Bologna: Cooling and heating degree days by NUTS 2 regions - annual data was 4.09 % change on previous year in 2025. ◆ Volatile
Cooling and heating degree days by NUTS 2 regions - annual data in Bologna, 1981–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Bologna recorded 4.09 % change on previous year for cooling and heating degree days by nuts 2 regions - annual data in 2025.
That represents a change of up 292.2% on the previous year and down 77.2% over ten years.
Over the whole period, cooling and heating degree days by nuts 2 regions - annual data in Bologna peaked at 18.04 % change on previous year in 1991 and was at its lowest, -20.68 % change on previous year, in 2014.
Bologna ranks 1056th of 1712 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 by NUTS 2 regions - annual data in Bologna, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1981 | -7.49 % change on previous year | — |
| 1982 | -0.8342 % change on previous year | -88.9% |
| 1983 | -2.92 % change on previous year | +250.4% |
| 1984 | 7.55 % change on previous year | -358.1% |
| 1985 | 2.67 % change on previous year | -64.7% |
| 1986 | -9 % change on previous year | -437.6% |
| 1987 | 2.24 % change on previous year | -124.9% |
| 1988 | -10.4 % change on previous year | -563.8% |
| 1989 | 7.19 % change on previous year | -169.2% |
| 1990 | -5.5 % change on previous year | -176.5% |
| 1991 | 18.04 % change on previous year | -427.8% |
| 1992 | -19.56 % change on previous year | -208.4% |
| 1993 | 8.52 % change on previous year | -143.6% |
| 1994 | -12.72 % change on previous year | -249.3% |
| 1995 | 10.46 % change on previous year | -182.2% |
| 1996 | 2.94 % change on previous year | -71.9% |
| 1997 | -11.6 % change on previous year | -495.1% |
| 1998 | 2.1 % change on previous year | -118.1% |
| 1999 | -2.34 % change on previous year | -211.8% |
| 2000 | -8.7 % change on previous year | +271.4% |
| 2001 | 11.37 % change on previous year | -230.7% |
| 2002 | -6.04 % change on previous year | -153.1% |
| 2003 | 14.92 % change on previous year | -347.0% |
| 2004 | -2.98 % change on previous year | -120.0% |
| 2005 | 8.5 % change on previous year | -385.5% |
| 2006 | -8.2 % change on previous year | -196.4% |
| 2007 | -8.71 % change on previous year | +6.3% |
| 2008 | 4.15 % change on previous year | -147.6% |
| 2009 | 4.89 % change on previous year | +18.0% |
| 2010 | 10.05 % change on previous year | +105.5% |
| 2011 | -11.08 % change on previous year | -210.2% |
| 2012 | 3.76 % change on previous year | -134.0% |
| 2013 | -1.93 % change on previous year | -151.3% |
| 2014 | -20.68 % change on previous year | +970.4% |
| 2015 | 17.91 % change on previous year | -186.6% |
| 2016 | 0.6337 % change on previous year | -96.5% |
| 2017 | 0.6087 % change on previous year | -3.9% |
| 2018 | -1.69 % change on previous year | -376.8% |
| 2019 | -1.84 % change on previous year | +9.4% |
| 2020 | -1.66 % change on previous year | -10.1% |
| 2021 | 10.54 % change on previous year | -735.5% |
| 2022 | -10.3 % change on previous year | -197.8% |
| 2023 | -6.7 % change on previous year | -35.0% |
| 2024 | -2.13 % change on previous year | -68.3% |
| 2025 | 4.09 % change on previous year | -292.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | -1.22 % change on previous year | -10.4 % change on previous year | 7.55 % change on previous year | 9 |
| 1990s | -0.9682 % change on previous year | -19.56 % change on previous year | 18.04 % change on previous year | 10 |
| 2000s | 0.9207 % change on previous year | -8.71 % change on previous year | 14.92 % change on previous year | 10 |
| 2010s | -0.4254 % change on previous year | -20.68 % change on previous year | 17.91 % change on previous year | 10 |
| 2020s | -1.03 % change on previous year | -10.3 % change on previous year | 10.54 % change on previous year | 6 |
More reference data data for Bologna
- Cooling and heating degree days by NUTS 2 regions - monthly data -13.95 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 319.26 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 14.5 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,234 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -382.02 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree -23.01 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -50.61 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs, annual growth rate -9.43 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -86.81 % change on previous year (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 13.88 Days per year (2024)
Frequently asked questions
- What is cooling and heating degree days by nuts 2 regions - annual data in Bologna?
- Cooling and heating degree days by nuts 2 regions - annual data in Bologna was 4.09 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days by nuts 2 regions - annual data recorded in Bologna?
- The highest recorded value was 18.04 % change on previous year in 1991.
- What is the lowest cooling and heating degree days by nuts 2 regions - annual data recorded in Bologna?
- The lowest recorded value was -20.68 % change on previous year in 2014.
- How does Bologna rank for cooling and heating degree days by nuts 2 regions - annual data?
- Bologna ranks 1056th out of 1712 regions with data for 2025.
- Is cooling and heating degree days by nuts 2 regions - annual data rising or falling in Bologna?
- Over the last ten years it is down 77.2%. The long-run trend across the full record is volatile.
- Where does this Bologna data come from?
- The figures come from Statizoid (derived), published as part of Cooling and heating degree days by NUTS 2 regions - annual data, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 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 by NUTS 2 regions - annual data. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
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 by NUTS 2 regions - annual data. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.