Cooling and heating degree days - Cities and FUAs — Change in heating in Iserlohn
Iserlohn: Cooling and heating degree days - Cities and FUAs — Change in heating was -14.83 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-14.83 % change on previous year
Change on year
up 42.2%
Rank
537th
of 1290 regions
All-time high
899.28 % change on previous year
in 1978
All-time low
-647.28 % change on previous year
in 1961
Years of data
70
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Iserlohn, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Iserlohn recorded -14.83 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.
Compared with earlier readings it is up 42.2% on the previous year and down 130.7% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Iserlohn peaked at 899.28 % change on previous year in 1978 and was at its lowest, -647.28 % change on previous year, in 1961.
Iserlohn ranks 537th 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 Iserlohn, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -104.9 % change on previous year | — |
| 1953 | -112.82 % change on previous year | +7.5% |
| 1954 | 613.92 % change on previous year | -644.2% |
| 1955 | 88.62 % change on previous year | -85.6% |
| 1956 | 28.12 % change on previous year | -68.3% |
| 1957 | -99.72 % change on previous year | -454.6% |
| 1959 | -197.28 % change on previous year | +97.8% |
| 1960 | 89.22 % change on previous year | -145.2% |
| 1961 | -647.28 % change on previous year | -825.5% |
| 1962 | 498.97 % change on previous year | -177.1% |
| 1963 | 4 % change on previous year | -99.2% |
| 1964 | -64.81 % change on previous year | -1721.3% |
| 1965 | 51.47 % change on previous year | -179.4% |
| 1966 | -88.05 % change on previous year | -271.1% |
| 1967 | -160.31 % change on previous year | +82.1% |
| 1969 | 113.78 % change on previous year | -171.0% |
| 1970 | -28.82 % change on previous year | -125.3% |
| 1971 | -75.93 % change on previous year | +163.5% |
| 1972 | 148.39 % change on previous year | -295.4% |
| 1973 | 23.89 % change on previous year | -83.9% |
| 1974 | -120.94 % change on previous year | -606.2% |
| 1975 | 163.83 % change on previous year | -235.5% |
| 1976 | 380.25 % change on previous year | +132.1% |
| 1977 | -120.78 % change on previous year | -131.8% |
| 1978 | 899.28 % change on previous year | -844.6% |
| 1979 | 56.46 % change on previous year | -93.7% |
| 1980 | -27.27 % change on previous year | -148.3% |
| 1981 | -20.02 % change on previous year | -26.6% |
| 1982 | -116.47 % change on previous year | +481.9% |
| 1983 | 175.56 % change on previous year | -250.7% |
| 1984 | 480.23 % change on previous year | +173.5% |
| 1985 | 191.18 % change on previous year | -60.2% |
| 1986 | -31.73 % change on previous year | -116.6% |
| 1987 | 31.82 % change on previous year | -200.3% |
| 1988 | -136.62 % change on previous year | -529.3% |
| 1989 | -76.55 % change on previous year | -44.0% |
| 1990 | -5.51 % change on previous year | -92.8% |
| 1991 | 125.37 % change on previous year | -2375.1% |
| 1992 | -218.4 % change on previous year | -274.2% |
| 1993 | 175.48 % change on previous year | -180.3% |
| 1994 | -407.26 % change on previous year | -332.1% |
| 1995 | 95.45 % change on previous year | -123.4% |
| 1997 | -97.23 % change on previous year | -201.9% |
| 1998 | -596.31 % change on previous year | +513.3% |
| 1999 | -153.57 % change on previous year | -74.2% |
| 2000 | -86.73 % change on previous year | -43.5% |
| 2001 | 85.87 % change on previous year | -199.0% |
| 2002 | -422.31 % change on previous year | -591.8% |
| 2003 | 87.36 % change on previous year | -120.7% |
| 2004 | 119.83 % change on previous year | +37.2% |
| 2006 | -45.95 % change on previous year | -138.3% |
| 2007 | -122.81 % change on previous year | +167.3% |
| 2008 | 66.8 % change on previous year | -154.4% |
| 2009 | 29.22 % change on previous year | -56.3% |
| 2010 | 631.14 % change on previous year | +2059.8% |
| 2011 | -174.26 % change on previous year | -127.6% |
| 2012 | 78.56 % change on previous year | -145.1% |
| 2013 | 293.71 % change on previous year | +273.9% |
| 2014 | -502.55 % change on previous year | -271.1% |
| 2015 | 48.34 % change on previous year | -109.6% |
| 2016 | 51.43 % change on previous year | +6.4% |
| 2017 | -73.94 % change on previous year | -243.8% |
| 2018 | -45.41 % change on previous year | -38.6% |
| 2019 | 1.27 % change on previous year | -102.8% |
| 2020 | -49.04 % change on previous year | -3959.9% |
| 2021 | 80.53 % change on previous year | -264.2% |
| 2022 | -369.97 % change on previous year | -559.4% |
| 2023 | 26.74 % change on previous year | -107.2% |
| 2024 | -25.64 % change on previous year | -195.9% |
| 2025 | -14.83 % change on previous year | -42.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 30.85 % change on previous year | -197.28 % change on previous year | 613.92 % change on previous year | 7 |
| 1960s | -22.56 % change on previous year | -647.28 % change on previous year | 498.97 % change on previous year | 9 |
| 1970s | 132.56 % change on previous year | -120.94 % change on previous year | 899.28 % change on previous year | 10 |
| 1980s | 47.02 % change on previous year | -136.62 % change on previous year | 480.23 % change on previous year | 10 |
| 1990s | -120.22 % change on previous year | -596.31 % change on previous year | 175.48 % change on previous year | 9 |
| 2000s | -32.08 % change on previous year | -422.31 % change on previous year | 119.83 % change on previous year | 9 |
| 2010s | 30.83 % change on previous year | -502.55 % change on previous year | 631.14 % change on previous year | 10 |
| 2020s | -58.7 % change on previous year | -369.97 % change on previous year | 80.53 % change on previous year | 6 |
More reference data data for Iserlohn
- Cooling and heating degree days - Cities and FUAs — Cooling degree 24.82 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -6.44 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,993 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -503.5 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 5.5 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 2.16 Days per year (2024)
- Dependency ratio - Cities and FUAs 38.6 Percentage of population aged 15-64 years (2025)
- 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 8.3 Percentage of national value (2025)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Iserlohn?
- Cooling and heating degree days - cities and fuas — change in heating in Iserlohn was -14.83 % 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 Iserlohn?
- The highest recorded value was 899.28 % change on previous year in 1978.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Iserlohn?
- The lowest recorded value was -647.28 % change on previous year in 1961.
- How does Iserlohn rank for cooling and heating degree days - cities and fuas — change in heating?
- Iserlohn ranks 537th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Iserlohn?
- Over the last ten years it is down 130.7%. The long-run trend across the full record is volatile.
- Where does this Iserlohn 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.