Cooling and heating degree days - Cities and FUAs — Change in heating in Portsmouth
Portsmouth: Cooling and heating degree days - Cities and FUAs — Change in heating was -76.08 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-76.08 % change on previous year
Change on year
down 298.0%
Rank
908th
of 1290 regions
All-time high
718.96 % change on previous year
in 1958
All-time low
-637.35 % change on previous year
in 2002
Years of data
73
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Portsmouth, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Portsmouth recorded -76.08 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.
Compared with earlier readings it is down 298.0% on the previous year and down 337.2% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Portsmouth peaked at 718.96 % change on previous year in 1958 and was at its lowest, -637.35 % change on previous year, in 2002.
Portsmouth ranks 908th 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 Portsmouth, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 6.82 % change on previous year | — |
| 1952 | 122.28 % change on previous year | +1692.7% |
| 1953 | -75.64 % change on previous year | -161.9% |
| 1954 | 163.32 % change on previous year | -315.9% |
| 1955 | 108.96 % change on previous year | -33.3% |
| 1956 | 17.03 % change on previous year | -84.4% |
| 1957 | -106.66 % change on previous year | -726.2% |
| 1958 | 718.96 % change on previous year | -774.0% |
| 1959 | -166.04 % change on previous year | -123.1% |
| 1960 | 122.77 % change on previous year | -173.9% |
| 1961 | -469.9 % change on previous year | -482.7% |
| 1962 | 538.6 % change on previous year | -214.6% |
| 1963 | 35 % change on previous year | -93.5% |
| 1964 | -56.07 % change on previous year | -260.2% |
| 1965 | 18.04 % change on previous year | -132.2% |
| 1966 | -61.99 % change on previous year | -443.7% |
| 1967 | 1.84 % change on previous year | -103.0% |
| 1968 | 88.73 % change on previous year | +4733.8% |
| 1969 | 68.92 % change on previous year | -22.3% |
| 1970 | -47.58 % change on previous year | -169.0% |
| 1971 | -59.43 % change on previous year | +24.9% |
| 1972 | 72.94 % change on previous year | -222.7% |
| 1973 | 42.92 % change on previous year | -41.2% |
| 1974 | -63.28 % change on previous year | -247.4% |
| 1975 | 90.7 % change on previous year | -243.3% |
| 1976 | 16.13 % change on previous year | -82.2% |
| 1977 | -44.82 % change on previous year | -377.8% |
| 1978 | 48.44 % change on previous year | -208.1% |
| 1979 | 169.28 % change on previous year | +249.5% |
| 1980 | -39.55 % change on previous year | -123.4% |
| 1981 | 2.39 % change on previous year | -106.0% |
| 1982 | -101.76 % change on previous year | -4363.3% |
| 1984 | 60.88 % change on previous year | -159.8% |
| 1985 | 217.82 % change on previous year | +257.8% |
| 1986 | 23.43 % change on previous year | -89.2% |
| 1987 | -27.83 % change on previous year | -218.8% |
| 1988 | -119.51 % change on previous year | +329.4% |
| 1989 | -297.33 % change on previous year | +148.8% |
| 1990 | -37.34 % change on previous year | -87.4% |
| 1991 | 148.93 % change on previous year | -498.9% |
| 1992 | -64 % change on previous year | -143.0% |
| 1993 | -4.63 % change on previous year | -92.8% |
| 1994 | -473.52 % change on previous year | +10136.7% |
| 1995 | 41.95 % change on previous year | -108.9% |
| 1996 | 402.98 % change on previous year | +860.7% |
| 1997 | -134.56 % change on previous year | -133.4% |
| 1998 | -13.86 % change on previous year | -89.7% |
| 1999 | -29.18 % change on previous year | +110.6% |
| 2000 | 46.07 % change on previous year | -257.9% |
| 2001 | 162.6 % change on previous year | +252.9% |
| 2002 | -637.35 % change on previous year | -492.0% |
| 2003 | 71.84 % change on previous year | -111.3% |
| 2004 | -9.4 % change on previous year | -113.1% |
| 2005 | 27.58 % change on previous year | -393.4% |
| 2006 | -117.97 % change on previous year | -527.7% |
| 2007 | -101.94 % change on previous year | -13.6% |
| 2008 | 87.96 % change on previous year | -186.3% |
| 2009 | -13.25 % change on previous year | -115.1% |
| 2011 | -174.68 % change on previous year | +1218.8% |
| 2012 | 110.42 % change on previous year | -163.2% |
| 2013 | 472.66 % change on previous year | +328.0% |
| 2014 | -279.34 % change on previous year | -159.1% |
| 2015 | 32.08 % change on previous year | -111.5% |
| 2016 | 66.12 % change on previous year | +106.1% |
| 2017 | -182.65 % change on previous year | -376.2% |
| 2018 | 24.21 % change on previous year | -113.3% |
| 2019 | -1.64 % change on previous year | -106.8% |
| 2020 | -90.33 % change on previous year | +5403.8% |
| 2021 | 77.84 % change on previous year | -186.2% |
| 2022 | -419.14 % change on previous year | -638.5% |
| 2023 | 51.04 % change on previous year | -112.2% |
| 2024 | -19.11 % change on previous year | -137.4% |
| 2025 | -76.08 % change on previous year | +298.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 87.67 % change on previous year | -166.04 % change on previous year | 718.96 % change on previous year | 9 |
| 1960s | 28.59 % change on previous year | -469.9 % change on previous year | 538.6 % change on previous year | 10 |
| 1970s | 22.53 % change on previous year | -63.28 % change on previous year | 169.28 % change on previous year | 10 |
| 1980s | -31.27 % change on previous year | -297.33 % change on previous year | 217.82 % change on previous year | 9 |
| 1990s | -16.32 % change on previous year | -473.52 % change on previous year | 402.98 % change on previous year | 10 |
| 2000s | -48.39 % change on previous year | -637.35 % change on previous year | 162.6 % change on previous year | 10 |
| 2010s | 7.46 % change on previous year | -279.34 % change on previous year | 472.66 % change on previous year | 9 |
| 2020s | -79.3 % change on previous year | -419.14 % change on previous year | 77.84 % change on previous year | 6 |
More reference data data for Portsmouth
- Cooling and heating degree days - Cities and FUAs — Cooling degree 1.37 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -7.89 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,468 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -363.26 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 5 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 2.97 Days per year (2024)
- Dependency ratio - Cities and FUAs 25.6 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 20.47 Percentage of built-up area (2022)
- Internet speed - Cities and FUAs — Downloading speed 15.8 Percentage of national value (2025)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Portsmouth?
- Cooling and heating degree days - cities and fuas — change in heating in Portsmouth was -76.08 % 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 Portsmouth?
- The highest recorded value was 718.96 % change on previous year in 1958.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Portsmouth?
- The lowest recorded value was -637.35 % change on previous year in 2002.
- How does Portsmouth rank for cooling and heating degree days - cities and fuas — change in heating?
- Portsmouth ranks 908th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Portsmouth?
- Over the last ten years it is down 337.2%. The long-run trend across the full record is volatile.
- Where does this Portsmouth 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 — 73 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.