Cooling and heating: Cities and FUAs … degree 1981 2010 period in Greater Valletta
Greater Valletta: Cooling and heating: Cities and FUAs … degree 1981 2010 period was -13.79 % change on previous year in 2025. ◆ Volatile
Cooling and heating degree days - Cities and FUAs — Change in cooling in Greater Valletta, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Greater Valletta recorded -13.79 % change on previous year for cooling and heating degree days - cities and fuas — change in cooling in 2025.
The figure is down 181.7% on the previous year and down 105.8% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Greater Valletta peaked at 910.03 % change on previous year in 1994 and was at its lowest, -577.88 % change on previous year, in 1996.
Greater Valletta ranks 143rd of 1306 regions on this measure, in the top quarter.
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 Greater Valletta, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -124.47 % change on previous year | — |
| 1952 | 862.19 % change on previous year | -792.7% |
| 1953 | -97.8 % change on previous year | -111.3% |
| 1955 | 71.06 % change on previous year | -172.7% |
| 1956 | -43.09 % change on previous year | -160.6% |
| 1957 | -57.02 % change on previous year | +32.3% |
| 1958 | 25.48 % change on previous year | -144.7% |
| 1959 | 40.7 % change on previous year | +59.7% |
| 1960 | 49.43 % change on previous year | +21.4% |
| 1961 | 41.24 % change on previous year | -16.6% |
| 1962 | 354.3 % change on previous year | +759.1% |
| 1963 | 28.71 % change on previous year | -91.9% |
| 1964 | -157.96 % change on previous year | -650.3% |
| 1965 | 73.58 % change on previous year | -146.6% |
| 1966 | 104.61 % change on previous year | +42.2% |
| 1969 | -147.72 % change on previous year | -241.2% |
| 1970 | 42.07 % change on previous year | -128.5% |
| 1971 | 32.19 % change on previous year | -23.5% |
| 1972 | -186.07 % change on previous year | -678.0% |
| 1973 | 98.01 % change on previous year | -152.7% |
| 1975 | 22.9 % change on previous year | -76.6% |
| 1976 | -50.41 % change on previous year | -320.1% |
| 1977 | 13.96 % change on previous year | -127.7% |
| 1978 | -44.23 % change on previous year | -416.8% |
| 1979 | 57.45 % change on previous year | -229.9% |
| 1980 | -90.84 % change on previous year | -258.1% |
| 1981 | 27.98 % change on previous year | -130.8% |
| 1982 | 166.36 % change on previous year | +494.6% |
| 1983 | -186.1 % change on previous year | -211.9% |
| 1984 | -143.94 % change on previous year | -22.7% |
| 1985 | 52.9 % change on previous year | -136.8% |
| 1986 | 35.47 % change on previous year | -33.0% |
| 1987 | 214.65 % change on previous year | +505.2% |
| 1988 | -56.86 % change on previous year | -126.5% |
| 1989 | -302.34 % change on previous year | +431.8% |
| 1990 | 230.53 % change on previous year | -176.3% |
| 1991 | -146.73 % change on previous year | -163.6% |
| 1992 | 1.44 % change on previous year | -101.0% |
| 1993 | 124.41 % change on previous year | +8561.0% |
| 1994 | 910.03 % change on previous year | +631.5% |
| 1995 | -122.25 % change on previous year | -113.4% |
| 1996 | -577.88 % change on previous year | +372.7% |
| 1997 | 66.99 % change on previous year | -111.6% |
| 1998 | 0.1398 % change on previous year | -99.8% |
| 1999 | 263.95 % change on previous year | +188750.2% |
| 2000 | -139.53 % change on previous year | -152.9% |
| 2001 | 159.88 % change on previous year | -214.6% |
| 2002 | -228.32 % change on previous year | -242.8% |
| 2004 | -97.41 % change on previous year | -57.3% |
| 2005 | -565.8 % change on previous year | +480.8% |
| 2006 | 331.38 % change on previous year | -158.6% |
| 2007 | -40.3 % change on previous year | -112.2% |
| 2008 | 76.42 % change on previous year | -289.6% |
| 2009 | -18.03 % change on previous year | -123.6% |
| 2010 | -148.07 % change on previous year | +721.1% |
| 2011 | 150.74 % change on previous year | -201.8% |
| 2013 | -66.44 % change on previous year | -144.1% |
| 2014 | -35.74 % change on previous year | -46.2% |
| 2015 | 236.03 % change on previous year | -760.4% |
| 2016 | -98.48 % change on previous year | -141.7% |
| 2018 | -41.1 % change on previous year | -58.3% |
| 2019 | 191.5 % change on previous year | -565.9% |
| 2020 | -30.94 % change on previous year | -116.2% |
| 2021 | 118.56 % change on previous year | -483.2% |
| 2022 | 22.53 % change on previous year | -81.0% |
| 2023 | -34.24 % change on previous year | -252.0% |
| 2024 | 16.89 % change on previous year | -149.3% |
| 2025 | -13.79 % change on previous year | -181.7% |
Biggest year-on-year movements
Years where Cooling and heating: Cities and FUAs … degree 1981 2010 period in Greater Valletta 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 |
|---|---|---|---|
| 1999 | +188750.2% | 0.1398 % change on previous year | 263.95 % change on previous year |
| 1993 | +8561.0% | 1.44 % change on previous year | 124.41 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 84.63 % change on previous year | -124.47 % change on previous year | 862.19 % change on previous year | 8 |
| 1960s | 43.27 % change on previous year | -157.96 % change on previous year | 354.3 % change on previous year | 8 |
| 1970s | -1.57 % change on previous year | -186.07 % change on previous year | 98.01 % change on previous year | 9 |
| 1980s | -28.27 % change on previous year | -302.34 % change on previous year | 214.65 % change on previous year | 10 |
| 1990s | 75.06 % change on previous year | -577.88 % change on previous year | 910.03 % change on previous year | 10 |
| 2000s | -57.97 % change on previous year | -565.8 % change on previous year | 331.38 % change on previous year | 9 |
| 2010s | 23.55 % change on previous year | -148.07 % change on previous year | 236.03 % change on previous year | 8 |
| 2020s | 13.17 % change on previous year | -34.24 % change on previous year | 118.56 % change on previous year | 6 |
More reference data data for Greater Valletta
- Cooling and heating degree days - Cities and FUAs — Cooling degree 489.05 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 159.47 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 43.66 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -161.53 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -63.89 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs, annual growth rate -59.06 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree -4.96 % change on previous year (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 2 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -0.9833 Days per year (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in cooling in Greater Valletta?
- Cooling and heating degree days - cities and fuas — change in cooling in Greater Valletta was -13.79 % 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 Greater Valletta?
- The highest recorded value was 910.03 % change on previous year in 1994.
- What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Greater Valletta?
- The lowest recorded value was -577.88 % change on previous year in 1996.
- How does Greater Valletta rank for cooling and heating degree days - cities and fuas — change in cooling?
- Greater Valletta ranks 143rd out of 1306 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Greater Valletta?
- Over the last ten years it is down 105.8%. The long-run trend across the full record is volatile.
- Where does this Greater Valletta 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 — 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 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.