Cooling and heating degree days - Cities and FUAs — Change in heating in Mercer
Mercer: Cooling and heating degree days - Cities and FUAs — Change in heating was 45.33 % change on previous year in 2025. ◆ Volatile
Latest (2025)
45.33 % change on previous year
Change on year
up 23.1%
Rank
231st
of 1290 regions
All-time high
937.52 % change on previous year
in 1955
All-time low
-611.5 % change on previous year
in 2016
Years of data
70
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Mercer, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Mercer recorded 45.33 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.
The figure is up 23.1% on the previous year and up 141.5% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Mercer peaked at 937.52 % change on previous year in 1955 and was at its lowest, -611.5 % change on previous year, in 2016.
That places Mercer 231st out of 1290 regions with data for 2025, putting it in the top 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 Mercer, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -116.23 % change on previous year | — |
| 1952 | 39.29 % change on previous year | -133.8% |
| 1953 | -335.91 % change on previous year | -955.0% |
| 1954 | 95.72 % change on previous year | -128.5% |
| 1955 | 937.52 % change on previous year | +879.5% |
| 1956 | -18.5 % change on previous year | -102.0% |
| 1957 | -119.4 % change on previous year | +545.5% |
| 1959 | -88.64 % change on previous year | -25.8% |
| 1960 | 563.15 % change on previous year | -735.3% |
| 1961 | -4.79 % change on previous year | -100.8% |
| 1962 | 27.89 % change on previous year | -682.7% |
| 1963 | -15.74 % change on previous year | -156.5% |
| 1964 | -49.24 % change on previous year | +212.8% |
| 1965 | 80.11 % change on previous year | -262.7% |
| 1966 | -16.42 % change on previous year | -120.5% |
| 1967 | 36.49 % change on previous year | -322.2% |
| 1968 | -31.37 % change on previous year | -186.0% |
| 1969 | 92.53 % change on previous year | -395.0% |
| 1970 | -29.55 % change on previous year | -131.9% |
| 1971 | -50.95 % change on previous year | +72.4% |
| 1972 | 43.66 % change on previous year | -185.7% |
| 1973 | -197.5 % change on previous year | -552.4% |
| 1974 | 68.54 % change on previous year | -134.7% |
| 1975 | -115.39 % change on previous year | -268.4% |
| 1976 | 234.29 % change on previous year | -303.0% |
| 1977 | -29.34 % change on previous year | -112.5% |
| 1978 | 177.9 % change on previous year | -706.4% |
| 1979 | -86.99 % change on previous year | -148.9% |
| 1980 | 440.02 % change on previous year | -605.8% |
| 1981 | -15.53 % change on previous year | -103.5% |
| 1982 | -53.1 % change on previous year | +241.8% |
| 1983 | -67.52 % change on previous year | +27.2% |
| 1984 | 36.13 % change on previous year | -153.5% |
| 1985 | -146.93 % change on previous year | -506.6% |
| 1986 | 262.66 % change on previous year | -278.8% |
| 1987 | 197.8 % change on previous year | -24.7% |
| 1988 | 98.97 % change on previous year | -50.0% |
| 1989 | 8.72 % change on previous year | -91.2% |
| 1990 | -292.3 % change on previous year | -3452.1% |
| 1991 | 34.81 % change on previous year | -111.9% |
| 1992 | 124.71 % change on previous year | +258.3% |
| 1993 | 25 % change on previous year | -80.0% |
| 1994 | -7.42 % change on previous year | -129.7% |
| 1995 | -19 % change on previous year | +156.0% |
| 1996 | 208.02 % change on previous year | -1194.9% |
| 1997 | -83.79 % change on previous year | -140.3% |
| 1999 | 57.71 % change on previous year | -168.9% |
| 2000 | 161.24 % change on previous year | +179.4% |
| 2001 | -217.03 % change on previous year | -234.6% |
| 2002 | -12.5 % change on previous year | -94.2% |
| 2003 | 259.69 % change on previous year | -2178.2% |
| 2004 | -63.67 % change on previous year | -124.5% |
| 2005 | 100.63 % change on previous year | -258.0% |
| 2006 | -315.12 % change on previous year | -413.1% |
| 2007 | 100.76 % change on previous year | -132.0% |
| 2009 | 105.48 % change on previous year | +4.7% |
| 2010 | -332.97 % change on previous year | -415.7% |
| 2012 | -148.5 % change on previous year | -55.4% |
| 2013 | 107.08 % change on previous year | -172.1% |
| 2014 | 859.33 % change on previous year | +702.5% |
| 2015 | -109.36 % change on previous year | -112.7% |
| 2016 | -611.5 % change on previous year | +459.1% |
| 2017 | -21.75 % change on previous year | -96.4% |
| 2018 | 97.39 % change on previous year | -547.9% |
| 2020 | -256.69 % change on previous year | -363.6% |
| 2021 | 30.34 % change on previous year | -111.8% |
| 2022 | 49.1 % change on previous year | +61.8% |
| 2023 | -207.79 % change on previous year | -523.2% |
| 2024 | 36.84 % change on previous year | -117.7% |
| 2025 | 45.33 % change on previous year | +23.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 49.23 % change on previous year | -335.91 % change on previous year | 937.52 % change on previous year | 8 |
| 1960s | 68.26 % change on previous year | -49.24 % change on previous year | 563.15 % change on previous year | 10 |
| 1970s | 1.47 % change on previous year | -197.5 % change on previous year | 234.29 % change on previous year | 10 |
| 1980s | 76.12 % change on previous year | -146.93 % change on previous year | 440.02 % change on previous year | 10 |
| 1990s | 5.3 % change on previous year | -292.3 % change on previous year | 208.02 % change on previous year | 9 |
| 2000s | 13.28 % change on previous year | -315.12 % change on previous year | 259.69 % change on previous year | 9 |
| 2010s | -20.03 % change on previous year | -611.5 % change on previous year | 859.33 % change on previous year | 8 |
| 2020s | -50.48 % change on previous year | -256.69 % change on previous year | 49.1 % change on previous year | 6 |
More reference data data for Mercer
- Cooling and heating degree days - Cities and FUAs — Cooling degree 211.91 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -75.9 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,982 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -133.14 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 14.13 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -0.6203 Days per year (2024)
- Dependency ratio - Cities and FUAs 25.4 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area (2022)
- Main mode of transport to work - Cities and FUAs — Employed persons 148,653 Persons (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Mercer?
- Cooling and heating degree days - cities and fuas — change in heating in Mercer was 45.33 % 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 Mercer?
- The highest recorded value was 937.52 % change on previous year in 1955.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Mercer?
- The lowest recorded value was -611.5 % change on previous year in 2016.
- How does Mercer rank for cooling and heating degree days - cities and fuas — change in heating?
- Mercer ranks 231st out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Mercer?
- Over the last ten years it is up 141.5%. The long-run trend across the full record is volatile.
- Where does this Mercer 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 — 70 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.