Cooling and heating degree days - Cities and FUAs — Change in heating in Philadelphia (Greater)
Philadelphia (Greater): Cooling and heating degree days - Cities and FUAs — Change in heating was 57.83 % change on previous year in 2025. ◆ Volatile
Latest (2025)
57.83 % change on previous year
Change on year
up 53.4%
Rank
207th
of 1290 regions
All-time high
730.08 % change on previous year
in 2014
All-time low
-414.45 % change on previous year
in 1953
Years of data
69
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Philadelphia (Greater), 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Philadelphia (Greater) recorded 57.83 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.
That represents a change of up 53.4% on the previous year and up 151.0% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Philadelphia (Greater) peaked at 730.08 % change on previous year in 2014 and was at its lowest, -414.45 % change on previous year, in 1953.
That places Philadelphia (Greater) 207th 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 Philadelphia (Greater), year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -71.79 % change on previous year | — |
| 1952 | 30.77 % change on previous year | -142.9% |
| 1953 | -414.45 % change on previous year | -1447.0% |
| 1954 | 96.77 % change on previous year | -123.3% |
| 1956 | -48.28 % change on previous year | -149.9% |
| 1957 | -133.36 % change on previous year | +176.2% |
| 1959 | -87.86 % change on previous year | -34.1% |
| 1960 | 598.3 % change on previous year | -781.0% |
| 1961 | -16.55 % change on previous year | -102.8% |
| 1962 | 33.24 % change on previous year | -300.9% |
| 1963 | -8.14 % change on previous year | -124.5% |
| 1964 | -55.75 % change on previous year | +584.7% |
| 1965 | 70.16 % change on previous year | -225.9% |
| 1966 | -1.82 % change on previous year | -102.6% |
| 1967 | 18.75 % change on previous year | -1131.8% |
| 1968 | -23.55 % change on previous year | -225.6% |
| 1969 | 91.83 % change on previous year | -489.9% |
| 1970 | -35.07 % change on previous year | -138.2% |
| 1971 | -59.08 % change on previous year | +68.5% |
| 1972 | 64.54 % change on previous year | -209.2% |
| 1973 | -208.56 % change on previous year | -423.2% |
| 1974 | 54.47 % change on previous year | -126.1% |
| 1975 | -50.29 % change on previous year | -192.3% |
| 1976 | 225.41 % change on previous year | -548.2% |
| 1977 | -21.39 % change on previous year | -109.5% |
| 1978 | 147.96 % change on previous year | -791.6% |
| 1979 | -81.97 % change on previous year | -155.4% |
| 1980 | 316.56 % change on previous year | -486.2% |
| 1981 | -7.68 % change on previous year | -102.4% |
| 1982 | -54.5 % change on previous year | +609.6% |
| 1983 | -54.45 % change on previous year | -0.1% |
| 1984 | -1.61 % change on previous year | -97.0% |
| 1985 | -139.33 % change on previous year | +8536.9% |
| 1986 | 255.4 % change on previous year | -283.3% |
| 1987 | 205.06 % change on previous year | -19.7% |
| 1988 | 108.51 % change on previous year | -47.1% |
| 1989 | 21.03 % change on previous year | -80.6% |
| 1990 | -287.65 % change on previous year | -1467.9% |
| 1991 | 35.07 % change on previous year | -112.2% |
| 1992 | 114.03 % change on previous year | +225.1% |
| 1993 | 138.9 % change on previous year | +21.8% |
| 1994 | -31.16 % change on previous year | -122.4% |
| 1995 | 29.33 % change on previous year | -194.1% |
| 1996 | 169.72 % change on previous year | +478.6% |
| 1997 | -88.81 % change on previous year | -152.3% |
| 1999 | 59.09 % change on previous year | -166.5% |
| 2000 | 164.76 % change on previous year | +178.8% |
| 2001 | -224.44 % change on previous year | -236.2% |
| 2002 | 1.95 % change on previous year | -100.9% |
| 2003 | 260.93 % change on previous year | +13260.5% |
| 2004 | -66.68 % change on previous year | -125.6% |
| 2005 | 104.25 % change on previous year | -256.3% |
| 2006 | -343.6 % change on previous year | -429.6% |
| 2007 | 99.06 % change on previous year | -128.8% |
| 2009 | 101.94 % change on previous year | +2.9% |
| 2010 | 446.29 % change on previous year | +337.8% |
| 2012 | -158.71 % change on previous year | -135.6% |
| 2013 | 108.58 % change on previous year | -168.4% |
| 2014 | 730.08 % change on previous year | +572.4% |
| 2015 | -113.42 % change on previous year | -115.5% |
| 2016 | -372.57 % change on previous year | +228.5% |
| 2017 | -47.48 % change on previous year | -87.3% |
| 2018 | 101.38 % change on previous year | -313.5% |
| 2020 | -267.83 % change on previous year | -364.2% |
| 2021 | 32.92 % change on previous year | -112.3% |
| 2022 | 55.41 % change on previous year | +68.3% |
| 2023 | -258.24 % change on previous year | -566.0% |
| 2024 | 37.7 % change on previous year | -114.6% |
| 2025 | 57.83 % change on previous year | +53.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | -89.74 % change on previous year | -414.45 % change on previous year | 96.77 % change on previous year | 7 |
| 1960s | 70.65 % change on previous year | -55.75 % change on previous year | 598.3 % change on previous year | 10 |
| 1970s | 3.6 % change on previous year | -208.56 % change on previous year | 225.41 % change on previous year | 10 |
| 1980s | 64.9 % change on previous year | -139.33 % change on previous year | 316.56 % change on previous year | 10 |
| 1990s | 15.39 % change on previous year | -287.65 % change on previous year | 169.72 % change on previous year | 9 |
| 2000s | 10.91 % change on previous year | -343.6 % change on previous year | 260.93 % change on previous year | 9 |
| 2010s | 86.77 % change on previous year | -372.57 % change on previous year | 730.08 % change on previous year | 8 |
| 2020s | -57.04 % change on previous year | -267.83 % change on previous year | 57.83 % change on previous year | 6 |
More reference data data for Philadelphia (Greater)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 221.54 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -80.09 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,927 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -101.67 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 13.67 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -0.4347 Days per year (2024)
- Dependency ratio - Cities and FUAs 26.6 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 0.727 Percentage of built-up area (2022)
- Main mode of transport to work - Cities and FUAs — Employed persons 1.65 million Persons (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Philadelphia (Greater)?
- Cooling and heating degree days - cities and fuas — change in heating in Philadelphia (Greater) was 57.83 % 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 Philadelphia (Greater)?
- The highest recorded value was 730.08 % change on previous year in 2014.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Philadelphia (Greater)?
- The lowest recorded value was -414.45 % change on previous year in 1953.
- How does Philadelphia (Greater) rank for cooling and heating degree days - cities and fuas — change in heating?
- Philadelphia (Greater) ranks 207th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Philadelphia (Greater)?
- Over the last ten years it is up 151.0%. The long-run trend across the full record is volatile.
- Where does this Philadelphia (Greater) 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 — 69 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.