Cooling and heating degree days - Cities and FUAs — Change in heating in Harlow
Harlow: Cooling and heating degree days - Cities and FUAs — Change in heating was -225.68 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-225.68 % change on previous year
Change on year
down 438.4%
Rank
1171st
of 1290 regions
All-time high
760.12 % change on previous year
in 2010
All-time low
-716.22 % change on previous year
in 1989
Years of data
74
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Harlow, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Harlow recorded -225.68 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.
The figure is down 438.4% on the previous year and down 721.4% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Harlow peaked at 760.12 % change on previous year in 2010 and was at its lowest, -716.22 % change on previous year, in 1989.
Harlow ranks 1171st 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 Harlow, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 18.21 % change on previous year | — |
| 1952 | 64.45 % change on previous year | +253.9% |
| 1953 | -70.73 % change on previous year | -209.8% |
| 1954 | 155.26 % change on previous year | -319.5% |
| 1955 | 77.91 % change on previous year | -49.8% |
| 1956 | 13.56 % change on previous year | -82.6% |
| 1957 | -103.84 % change on previous year | -866.0% |
| 1959 | -138.08 % change on previous year | +33.0% |
| 1960 | 179.74 % change on previous year | -230.2% |
| 1961 | -294.99 % change on previous year | -264.1% |
| 1962 | 522.55 % change on previous year | -277.1% |
| 1963 | 21.93 % change on previous year | -95.8% |
| 1964 | -58.69 % change on previous year | -367.6% |
| 1965 | 11.12 % change on previous year | -118.9% |
| 1966 | -50.82 % change on previous year | -557.2% |
| 1967 | -37.9 % change on previous year | -25.4% |
| 1968 | 157.37 % change on previous year | -515.2% |
| 1969 | 92.94 % change on previous year | -40.9% |
| 1970 | -44.95 % change on previous year | -148.4% |
| 1971 | -63.85 % change on previous year | +42.1% |
| 1972 | 75.94 % change on previous year | -218.9% |
| 1973 | 46.67 % change on previous year | -38.6% |
| 1974 | -52.51 % change on previous year | -212.5% |
| 1975 | 71.62 % change on previous year | -236.4% |
| 1976 | -21.8 % change on previous year | -130.4% |
| 1977 | -16.15 % change on previous year | -25.9% |
| 1978 | 62.34 % change on previous year | -486.0% |
| 1979 | 99.95 % change on previous year | +60.3% |
| 1980 | -40.52 % change on previous year | -140.5% |
| 1981 | 21.51 % change on previous year | -153.1% |
| 1982 | -87.34 % change on previous year | -506.1% |
| 1983 | 95.24 % change on previous year | -209.0% |
| 1984 | 129.18 % change on previous year | +35.6% |
| 1985 | 120.95 % change on previous year | -6.4% |
| 1986 | 9.77 % change on previous year | -91.9% |
| 1987 | -25 % change on previous year | -356.0% |
| 1988 | -109.04 % change on previous year | +336.2% |
| 1989 | -716.22 % change on previous year | +556.8% |
| 1990 | -53.73 % change on previous year | -92.5% |
| 1991 | 143.26 % change on previous year | -366.6% |
| 1992 | -80.63 % change on previous year | -156.3% |
| 1993 | 77.59 % change on previous year | -196.2% |
| 1994 | -448.4 % change on previous year | -677.9% |
| 1995 | 65.35 % change on previous year | -114.6% |
| 1996 | 680.62 % change on previous year | +941.4% |
| 1997 | -138.02 % change on previous year | -120.3% |
| 1998 | -10.14 % change on previous year | -92.7% |
| 1999 | -37.28 % change on previous year | +267.7% |
| 2000 | 33.71 % change on previous year | -190.4% |
| 2001 | 158.05 % change on previous year | +368.9% |
| 2002 | -504.49 % change on previous year | -419.2% |
| 2003 | 68.3 % change on previous year | -113.5% |
| 2004 | -26.87 % change on previous year | -139.3% |
| 2005 | 6.27 % change on previous year | -123.3% |
| 2006 | -70.44 % change on previous year | -1224.0% |
| 2007 | -50.6 % change on previous year | -28.2% |
| 2008 | 85.37 % change on previous year | -268.7% |
| 2009 | -51.67 % change on previous year | -160.5% |
| 2010 | 760.12 % change on previous year | -1571.1% |
| 2011 | -185.17 % change on previous year | -124.4% |
| 2012 | 117.02 % change on previous year | -163.2% |
| 2013 | 290.07 % change on previous year | +147.9% |
| 2014 | -267.55 % change on previous year | -192.2% |
| 2015 | 36.32 % change on previous year | -113.6% |
| 2016 | 57.59 % change on previous year | +58.6% |
| 2017 | -131.54 % change on previous year | -328.4% |
| 2018 | 22.88 % change on previous year | -117.4% |
| 2019 | 3.61 % change on previous year | -84.2% |
| 2020 | -75.94 % change on previous year | -2201.6% |
| 2021 | 72.06 % change on previous year | -194.9% |
| 2022 | -317.71 % change on previous year | -540.9% |
| 2023 | 49.78 % change on previous year | -115.7% |
| 2024 | -41.91 % change on previous year | -184.2% |
| 2025 | -225.68 % change on previous year | +438.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 2.09 % change on previous year | -138.08 % change on previous year | 155.26 % change on previous year | 8 |
| 1960s | 54.32 % change on previous year | -294.99 % change on previous year | 522.55 % change on previous year | 10 |
| 1970s | 15.73 % change on previous year | -63.85 % change on previous year | 99.95 % change on previous year | 10 |
| 1980s | -60.15 % change on previous year | -716.22 % change on previous year | 129.18 % change on previous year | 10 |
| 1990s | 19.86 % change on previous year | -448.4 % change on previous year | 680.62 % change on previous year | 10 |
| 2000s | -35.24 % change on previous year | -504.49 % change on previous year | 158.05 % change on previous year | 10 |
| 2010s | 70.34 % change on previous year | -267.55 % change on previous year | 760.12 % change on previous year | 10 |
| 2020s | -89.9 % change on previous year | -317.71 % change on previous year | 72.06 % change on previous year | 6 |
More reference data data for Harlow
- Cooling and heating degree days - Cities and FUAs — Cooling degree 7.09 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -10.52 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,244 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -812.37 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 0 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -1.12 Days per year (2024)
- Dependency ratio - Cities and FUAs 22.2 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)
- Internet speed - Cities and FUAs — Downloading speed 5.5 Percentage of national value (2025)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Harlow?
- Cooling and heating degree days - cities and fuas — change in heating in Harlow was -225.68 % 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 Harlow?
- The highest recorded value was 760.12 % change on previous year in 2010.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Harlow?
- The lowest recorded value was -716.22 % change on previous year in 1989.
- How does Harlow rank for cooling and heating degree days - cities and fuas — change in heating?
- Harlow ranks 1171st out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Harlow?
- Over the last ten years it is down 721.4%. The long-run trend across the full record is volatile.
- Where does this Harlow 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 — 74 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.