Cooling and heating degree days - Cities and FUAs in Ingham

Ingham: Cooling and heating degree days - Cities and FUAs was 2,873 Degree days in 2025. β–Ό Falling

Latest (2025)
2,873 Degree days
Change on year
up 20.1%
Rank
87th
of 1323 regions
All-time high
3,416 Degree days
in 1972
All-time low
2,337 Degree days
in 1998
Years of data
76
1950–2025

Cooling and heating degree days - Cities and FUAs in Ingham, 1950–2025

01.0k2.0k3.0k195019872025

Source: Organisation for Economic Co-operation and Development. Measured in Degree days.

Analysis

Ingham recorded 2,873 Degree days for cooling and heating degree days - cities and fuas in 2025.

The figure is up 20.1% on the previous year and down 0.2% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas in Ingham peaked at 3,416 Degree days in 1972 and was at its lowest, 2,337 Degree days, in 1998.

That places Ingham 87th out of 1323 regions with data for 2025, putting it in the top 10%.

The long-run direction has been consistently falling across the 76 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1950s 2,988 Degree days 2,581 Degree days 3,202 Degree days 10
1960s 3,133 Degree days 2,883 Degree days 3,320 Degree days 10
1970s 3,096 Degree days 2,687 Degree days 3,416 Degree days 10
1980s 3,020 Degree days 2,694 Degree days 3,240 Degree days 10
1990s 2,858 Degree days 2,337 Degree days 3,236 Degree days 10
2000s 2,868 Degree days 2,535 Degree days 3,079 Degree days 10
2010s 2,848 Degree days 2,381 Degree days 3,383 Degree days 10
2020s 2,649 Degree days 2,391 Degree days 2,889 Degree days 6

More reference data data for Ingham

All data for Ingham β†’

Frequently asked questions

What is cooling and heating degree days - cities and fuas in Ingham?
Cooling and heating degree days - cities and fuas in Ingham was 2,873 Degree days in 2025, according to Organisation for Economic Co-operation and Development.
What is the highest cooling and heating degree days - cities and fuas recorded in Ingham?
The highest recorded value was 3,416 Degree days in 1972.
What is the lowest cooling and heating degree days - cities and fuas recorded in Ingham?
The lowest recorded value was 2,337 Degree days in 1998.
How does Ingham rank for cooling and heating degree days - cities and fuas?
Ingham ranks 87th out of 1323 regions with data for 2025.
Is cooling and heating degree days - cities and fuas rising or falling in Ingham?
Over the last ten years it is down 0.2%. The long-run trend across the full record is falling.
Where does this Ingham data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Cooling and heating degree days - Cities and FUAs. Statizoid updates them automatically from the source API.

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Cooling and heating degree days - Cities and FUAs in Ingham. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 17 August 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas/ingham/

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About this data

Indicator
Cooling and heating degree days - Cities and FUAs
Unit
Degree days
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
1,325 places, 100,700 data points, 1950–2025
Last refreshed

<p align="justify">This dataset provides indicators of Cooling and Heating Degree Days (CDDs and HDDs) for FUAs and cities. CDDs and HDDs are measurements used to estimate energy usage based on outdoor temperature. CDD measures the demand for cooling, while HDD measures the demand for heating, both calculated relative to a baseline temperature.</p> <h3>Data sources and methodology</h3> <p align="justify"> The indicators use 0.1-degree resolution grids from the <a href=https://developers.google.com/earth-engine/datasets/catalog/ECMWF_ERA5_LAND_DAILY_AGGR>ERA5-Land dataset</a>. ERA5-Land is used as it provides harmonised, globally consistent coverage at fine spatial resolution (0.1 degree), enabling the production of comparable subnational indicators also where national meteorological data are not available at the required scale. Annual CDDs are the sum over a year of the differences between the daily mean outdoor air temperature and the threshold temperature when the outdoor temperature is above the threshold temperature. HDDs are the sum over a year of the differences between the threshold temperature and the daily mean outdoor air temperature when the outdoor temperature is below the threshold temperature. Threshold temperatures are set to 22Β°C for CDDs and 15Β°C for HDDs.</p> <p align="justify"> These estimates may differ from official subnational climate statistics due to differences in methodological approaches, such as the use of reanalysis based top down modelling versus in situ observations, along with variations in input data sources, spatial resolution, and the models and algorithms used to generate temperature estimates. </p> <h3>Defining FUAs and cities</h3> <p align="justify">The OECD, in cooperation with the EU, has developed a harmonised <a href="https://www.oecd.org/en/data/datasets/oecd-definition-of-cities-and-functional-urban-areas.html">definition of functional urban areas</a> (FUAs) to capture the economic and functional reach of cities based on daily commuting patterns <a href=https://doi.org/10.1787/9789264174108-en>(OECD, 2012)</a>. FUAs consist of: <ol> <li><b>A city</b> – defined by urban centres in the degree of urbanisation, adapted to the closest local administrative units to define a city.</li> <li><b>A commuting zone</b> – including all local areas where at least 15% of employed residents work in the city.</li> </ol> The delineation process includes: <ul> <li>Assigning municipalities surrounded by a single FUA to that FUA.</li> <li>Excluding non-contiguous municipalities.</li> </ul> <p> The correspondence table between SAUs and FUAs/cities is available in <a href=https://webfs-cfe.oecd.org/files/.Stat/cities_local_areas/fua_cities_sau_mapping.parquet>parquet </a> and <a href=https://webfs-cfe.oecd.org/files/.Stat/cities_local_areas/fua_cities_sau_mapping.csv>csv</a> format. </p> The definition identifies 1 272 FUAs and 1 269 cities in all OECD member countries except Costa Rica and three accession countries.</p> <h3>Cite this dataset</h3> <p>OECD Regions, cities and local areas database (<a href="http://data-explorer.oecd.org/s/1dj">Cooling and heating degree days - Cities and FUAs</a>),Β <a href=http://oe.cd/geostats>http://oe.cd/geostats</a></p> <h3>Further information</h3> <ul> <li> <a href=https://localdataportal.oecd.org/>OECD Local Data Portal </a> </li> <li> <a href=https://www.oecd.org/en/publications/oecd-regions-and-cities-at-a-glance-2024_f42db3bf-en.html/>OECD Regions and Cities at a Glance </a> </li> </ul> <p align="justify">For questions and/or comments, please email <a href="mailto:CitiesStat@oecd.org">CitiesStat@oecd.org</a>