Cooling and heating degree days - Cities and FUAs — Change in heating in Boulder
Boulder: Cooling and heating degree days - Cities and FUAs — Change in heating was -179.6 % change on previous year in 2025. ◆ Volatile
Cooling and heating degree days - Cities and FUAs — Change in heating in Boulder, 1952–2025
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 Boulder is -179.6 % change on previous year, measured in 2025.
Compared with earlier readings it is up 44.6% on the previous year and down 47.6% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Boulder peaked at 768.97 % change on previous year in 1988 and was at its lowest, -624.08 % change on previous year, in 2012.
Boulder ranks 1129th 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 Boulder, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1952 | -37.86 % change on previous year | — |
| 1953 | -93.62 % change on previous year | +147.3% |
| 1955 | 189.82 % change on previous year | -302.8% |
| 1956 | -44.88 % change on previous year | -123.6% |
| 1957 | 79.74 % change on previous year | -277.7% |
| 1958 | -94.36 % change on previous year | -218.3% |
| 1960 | -25.57 % change on previous year | -72.9% |
| 1961 | 56.26 % change on previous year | -320.0% |
| 1962 | -99.68 % change on previous year | -277.2% |
| 1964 | 572.22 % change on previous year | -674.1% |
| 1965 | -45.96 % change on previous year | -108.0% |
| 1966 | -47.07 % change on previous year | +2.4% |
| 1967 | 36.14 % change on previous year | -176.8% |
| 1968 | 97.14 % change on previous year | +168.8% |
| 1969 | 32.04 % change on previous year | -67.0% |
| 1970 | 16.79 % change on previous year | -47.6% |
| 1971 | -5.12 % change on previous year | -130.5% |
| 1972 | -50.49 % change on previous year | +885.4% |
| 1973 | 103.82 % change on previous year | -305.6% |
| 1974 | -42.82 % change on previous year | -141.2% |
| 1975 | 19.32 % change on previous year | -145.1% |
| 1976 | -55.33 % change on previous year | -386.4% |
| 1977 | -237.48 % change on previous year | +329.2% |
| 1978 | 140.27 % change on previous year | -159.1% |
| 1979 | 439.36 % change on previous year | +213.2% |
| 1980 | -98.38 % change on previous year | -122.4% |
| 1982 | 156.14 % change on previous year | -258.7% |
| 1983 | 30.35 % change on previous year | -80.6% |
| 1984 | 50.21 % change on previous year | +65.4% |
| 1985 | -10.45 % change on previous year | -120.8% |
| 1986 | -139.65 % change on previous year | +1236.1% |
| 1987 | 91.54 % change on previous year | -165.6% |
| 1988 | 768.97 % change on previous year | +740.0% |
| 1989 | -61.86 % change on previous year | -108.0% |
| 1990 | -217.33 % change on previous year | +251.3% |
| 1991 | 111.14 % change on previous year | -151.1% |
| 1993 | 330.18 % change on previous year | +197.1% |
| 1994 | -159.16 % change on previous year | -148.2% |
| 1995 | 92.67 % change on previous year | -158.2% |
| 1996 | 308.47 % change on previous year | +232.9% |
| 1997 | 748.36 % change on previous year | +142.6% |
| 1998 | -113.31 % change on previous year | -115.1% |
| 1999 | -450.6 % change on previous year | +297.7% |
| 2000 | 43.11 % change on previous year | -109.6% |
| 2001 | -101.06 % change on previous year | -334.4% |
| 2002 | 149.46 % change on previous year | -247.9% |
| 2003 | -302.5 % change on previous year | -302.4% |
| 2004 | 93.5 % change on previous year | -130.9% |
| 2006 | 16.76 % change on previous year | -82.1% |
| 2007 | -29.13 % change on previous year | -273.8% |
| 2008 | 147.68 % change on previous year | -607.0% |
| 2009 | -5.7 % change on previous year | -103.9% |
| 2010 | -201.31 % change on previous year | +3429.5% |
| 2011 | 211.84 % change on previous year | -205.2% |
| 2012 | -624.08 % change on previous year | -394.6% |
| 2013 | 137.38 % change on previous year | -122.0% |
| 2014 | -153.89 % change on previous year | -212.0% |
| 2015 | -121.69 % change on previous year | -20.9% |
| 2016 | -27.36 % change on previous year | -77.5% |
| 2017 | -62.42 % change on previous year | +128.2% |
| 2018 | 65.39 % change on previous year | -204.8% |
| 2019 | 196.76 % change on previous year | +200.9% |
| 2020 | -218.83 % change on previous year | -211.2% |
| 2021 | -76.5 % change on previous year | -65.0% |
| 2022 | 125.74 % change on previous year | -264.4% |
| 2023 | 19.57 % change on previous year | -84.4% |
| 2024 | -324.18 % change on previous year | -1756.4% |
| 2025 | -179.6 % change on previous year | -44.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | -0.1932 % change on previous year | -94.36 % change on previous year | 189.82 % change on previous year | 6 |
| 1960s | 63.94 % change on previous year | -99.68 % change on previous year | 572.22 % change on previous year | 9 |
| 1970s | 32.83 % change on previous year | -237.48 % change on previous year | 439.36 % change on previous year | 10 |
| 1980s | 87.43 % change on previous year | -139.65 % change on previous year | 768.97 % change on previous year | 9 |
| 1990s | 72.27 % change on previous year | -450.6 % change on previous year | 748.36 % change on previous year | 9 |
| 2000s | 1.35 % change on previous year | -302.5 % change on previous year | 149.46 % change on previous year | 9 |
| 2010s | -57.94 % change on previous year | -624.08 % change on previous year | 211.84 % change on previous year | 10 |
| 2020s | -108.97 % change on previous year | -324.18 % change on previous year | 125.74 % change on previous year | 6 |
More reference data data for Boulder
- Cooling and heating degree days - Cities and FUAs — Cooling degree 16.3 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -49.07 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 3,762 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -659.64 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 1.86 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -1.3 Days per year (2024)
- Dependency ratio - Cities and FUAs 25.3 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 46.6 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 125,854 Persons (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Boulder?
- Cooling and heating degree days - cities and fuas — change in heating in Boulder was -179.6 % 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 Boulder?
- The highest recorded value was 768.97 % change on previous year in 1988.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Boulder?
- The lowest recorded value was -624.08 % change on previous year in 2012.
- How does Boulder rank for cooling and heating degree days - cities and fuas — change in heating?
- Boulder ranks 1129th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Boulder?
- Over the last ten years it is down 47.6%. The long-run trend across the full record is volatile.
- Where does this Boulder 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 — 68 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.