Cooling and heating degree days - Cities and FUAs — Change in heating in New Haven
New Haven: Cooling and heating degree days - Cities and FUAs — Change in heating was 93.1 % change on previous year in 2025. ◆ Volatile
Latest (2025)
93.1 % change on previous year
Change on year
up 201.0%
Rank
90th
of 1290 regions
All-time high
618.61 % change on previous year
in 1958
All-time low
-813.44 % change on previous year
in 1998
Years of data
69
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in New Haven, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for cooling and heating degree days - cities and fuas — change in heating in New Haven is 93.1 % change on previous year, measured in 2025.
The figure is up 201.0% on the previous year and up 227.9% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in New Haven peaked at 618.61 % change on previous year in 1958 and was at its lowest, -813.44 % change on previous year, in 1998.
That places New Haven 90th out of 1290 regions with data for 2025, putting it in the top 10%.
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 New Haven, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -226.81 % change on previous year | — |
| 1952 | 75.18 % change on previous year | -133.1% |
| 1954 | 103.94 % change on previous year | +38.3% |
| 1956 | 23.53 % change on previous year | -77.4% |
| 1957 | -133.41 % change on previous year | -667.1% |
| 1958 | 618.61 % change on previous year | -563.7% |
| 1959 | -74.71 % change on previous year | -112.1% |
| 1960 | 138.44 % change on previous year | -285.3% |
| 1961 | 28.05 % change on previous year | -79.7% |
| 1962 | 17.56 % change on previous year | -37.4% |
| 1963 | -7.3 % change on previous year | -141.6% |
| 1964 | -48.27 % change on previous year | +560.9% |
| 1965 | 104.41 % change on previous year | -316.3% |
| 1966 | -34.41 % change on previous year | -133.0% |
| 1967 | 79.42 % change on previous year | -330.8% |
| 1968 | -18.5 % change on previous year | -123.3% |
| 1969 | 25.65 % change on previous year | -238.7% |
| 1970 | -2.5 % change on previous year | -109.8% |
| 1971 | -29.64 % change on previous year | +1085.0% |
| 1972 | 17.32 % change on previous year | -158.4% |
| 1973 | -162.7 % change on previous year | -1039.1% |
| 1974 | 102.43 % change on previous year | -163.0% |
| 1976 | 250.44 % change on previous year | +144.5% |
| 1977 | -31.82 % change on previous year | -112.7% |
| 1978 | 140.39 % change on previous year | -541.2% |
| 1979 | -95.65 % change on previous year | -168.1% |
| 1981 | -43.18 % change on previous year | -54.9% |
| 1982 | -46.84 % change on previous year | +8.5% |
| 1983 | -104.58 % change on previous year | +123.3% |
| 1984 | 162.37 % change on previous year | -255.3% |
| 1986 | -26.96 % change on previous year | -116.6% |
| 1987 | 260.05 % change on previous year | -1064.4% |
| 1988 | 127.82 % change on previous year | -50.8% |
| 1989 | 20.63 % change on previous year | -83.9% |
| 1990 | -281.68 % change on previous year | -1465.5% |
| 1991 | 22.81 % change on previous year | -108.1% |
| 1992 | 142.61 % change on previous year | +525.2% |
| 1993 | -24.63 % change on previous year | -117.3% |
| 1994 | 27.16 % change on previous year | -210.3% |
| 1995 | -76.69 % change on previous year | -382.4% |
| 1996 | 593.72 % change on previous year | -874.2% |
| 1997 | -72.22 % change on previous year | -112.2% |
| 1998 | -813.44 % change on previous year | +1026.3% |
| 1999 | 50.94 % change on previous year | -106.3% |
| 2000 | 165.49 % change on previous year | +224.9% |
| 2001 | -212.76 % change on previous year | -228.6% |
| 2002 | -1.56 % change on previous year | -99.3% |
| 2003 | 296.08 % change on previous year | -19054.8% |
| 2004 | -53.25 % change on previous year | -118.0% |
| 2005 | 3.73 % change on previous year | -107.0% |
| 2006 | -355.68 % change on previous year | -9631.5% |
| 2007 | 105.45 % change on previous year | -129.6% |
| 2008 | -548.4 % change on previous year | -620.1% |
| 2009 | 165.68 % change on previous year | -130.2% |
| 2010 | -374.31 % change on previous year | -325.9% |
| 2011 | -2.19 % change on previous year | -99.4% |
| 2012 | -189.62 % change on previous year | +8573.0% |
| 2013 | 112.06 % change on previous year | -159.1% |
| 2014 | 239.19 % change on previous year | +113.5% |
| 2015 | -72.78 % change on previous year | -130.4% |
| 2016 | -540.44 % change on previous year | +642.6% |
| 2017 | 24.74 % change on previous year | -104.6% |
| 2018 | 95.22 % change on previous year | +284.8% |
| 2019 | -287.96 % change on previous year | -402.4% |
| 2021 | 19.14 % change on previous year | -106.6% |
| 2022 | 35.23 % change on previous year | +84.0% |
| 2023 | -110.4 % change on previous year | -413.4% |
| 2024 | 30.93 % change on previous year | -128.0% |
| 2025 | 93.1 % change on previous year | +201.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 55.19 % change on previous year | -226.81 % change on previous year | 618.61 % change on previous year | 7 |
| 1960s | 28.51 % change on previous year | -48.27 % change on previous year | 138.44 % change on previous year | 10 |
| 1970s | 20.92 % change on previous year | -162.7 % change on previous year | 250.44 % change on previous year | 9 |
| 1980s | 43.66 % change on previous year | -104.58 % change on previous year | 260.05 % change on previous year | 8 |
| 1990s | -43.14 % change on previous year | -813.44 % change on previous year | 593.72 % change on previous year | 10 |
| 2000s | -43.52 % change on previous year | -548.4 % change on previous year | 296.08 % change on previous year | 10 |
| 2010s | -99.61 % change on previous year | -540.44 % change on previous year | 239.19 % change on previous year | 10 |
| 2020s | 13.6 % change on previous year | -110.4 % change on previous year | 93.1 % change on previous year | 5 |
More reference data data for New Haven
- Cooling and heating degree days - Cities and FUAs — Cooling degree 121.12 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -48.97 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 2,404 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -17.23 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 14.36 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -1.78 Days per year (2024)
- Dependency ratio - Cities and FUAs 30.7 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 0.4075 Percentage of built-up area (2022)
- Main mode of transport to work - Cities and FUAs — Employed persons 444,312 Persons (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in New Haven?
- Cooling and heating degree days - cities and fuas — change in heating in New Haven was 93.1 % 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 New Haven?
- The highest recorded value was 618.61 % change on previous year in 1958.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in New Haven?
- The lowest recorded value was -813.44 % change on previous year in 1998.
- How does New Haven rank for cooling and heating degree days - cities and fuas — change in heating?
- New Haven ranks 90th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in New Haven?
- Over the last ten years it is up 227.9%. The long-run trend across the full record is volatile.
- Where does this New Haven 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.