Cooling and heating degree days - Cities and FUAs — Cooling degree in Chicago

Chicago: Cooling and heating degree days - Cities and FUAs — Cooling degree was -29.86 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-29.86 % change on previous year
Change on year
down 308.9%
Rank
529th
of 1306 regions
All-time high
130.25 % change on previous year
in 2005
All-time low
-64.49 % change on previous year
in 1992
Years of data
75
1951–2025

Cooling and heating degree days - Cities and FUAs — Cooling degree in Chicago, 1951–2025

-50050100150195119882025

Source: Statizoid (derived). Measured in % change on previous year.

Analysis

The most recent figure for cooling and heating degree days - cities and fuas — cooling degree in Chicago is -29.86 % change on previous year, measured in 2025.

The figure is down 308.9% on the previous year and down 405.6% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in Chicago peaked at 130.25 % change on previous year in 2005 and was at its lowest, -64.49 % change on previous year, in 1992.

Chicago ranks 529th of 1306 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 — Cooling degree in Chicago, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate in Chicago, 1951 to 2025.
Year % change on previous year Change
1951 2.76 % change on previous year —
1952 105.08 % change on previous year +3703.9%
1953 25.32 % change on previous year -75.9%
1954 -23.98 % change on previous year -194.7%
1955 16.84 % change on previous year -170.2%
1956 -37.01 % change on previous year -319.7%
1957 -9.87 % change on previous year -73.3%
1958 -16.15 % change on previous year +63.6%
1959 93.27 % change on previous year -677.4%
1960 -37.97 % change on previous year -140.7%
1961 9.85 % change on previous year -125.9%
1962 -4.81 % change on previous year -148.9%
1963 12.68 % change on previous year -363.6%
1964 16.62 % change on previous year +31.0%
1965 -30.71 % change on previous year -284.8%
1966 22.07 % change on previous year -171.8%
1967 -29.83 % change on previous year -235.2%
1968 57.07 % change on previous year -291.3%
1969 -15.53 % change on previous year -127.2%
1970 24.55 % change on previous year -258.0%
1971 -0.6669 % change on previous year -102.7%
1972 -25.3 % change on previous year +3694.0%
1973 17.91 % change on previous year -170.8%
1974 -21.54 % change on previous year -220.3%
1975 21.56 % change on previous year -200.1%
1976 -11.6 % change on previous year -153.8%
1977 35.78 % change on previous year -408.4%
1978 -9.14 % change on previous year -125.6%
1979 -15.92 % change on previous year +74.1%
1980 36.99 % change on previous year -332.3%
1981 -39.46 % change on previous year -206.7%
1982 10.2 % change on previous year -125.9%
1983 102.7 % change on previous year +906.5%
1984 -38.42 % change on previous year -137.4%
1985 -13.09 % change on previous year -65.9%
1986 2.31 % change on previous year -117.7%
1987 52.6 % change on previous year +2175.0%
1988 27.63 % change on previous year -47.5%
1989 -49.95 % change on previous year -280.8%
1990 7.14 % change on previous year -114.3%
1991 54.81 % change on previous year +667.9%
1992 -64.49 % change on previous year -217.7%
1993 57.92 % change on previous year -189.8%
1994 15.15 % change on previous year -73.8%
1995 49.63 % change on previous year +227.6%
1996 -46.57 % change on previous year -193.9%
1997 19.14 % change on previous year -141.1%
1998 26.88 % change on previous year +40.5%
1999 8.97 % change on previous year -66.6%
2000 -31.5 % change on previous year -451.0%
2001 39.05 % change on previous year -224.0%
2002 13.82 % change on previous year -64.6%
2003 -33.83 % change on previous year -344.9%
2004 -22.35 % change on previous year -33.9%
2005 130.25 % change on previous year -682.7%
2006 -31.49 % change on previous year -124.2%
2007 28.83 % change on previous year -191.6%
2008 -30.3 % change on previous year -205.1%
2009 -33.37 % change on previous year +10.1%
2010 105.04 % change on previous year -414.8%
2011 2.36 % change on previous year -97.8%
2012 34.11 % change on previous year +1346.2%
2013 -40.96 % change on previous year -220.1%
2014 -30.6 % change on previous year -25.3%
2015 9.77 % change on previous year -131.9%
2016 49 % change on previous year +401.4%
2017 -23.77 % change on previous year -148.5%
2018 26.62 % change on previous year -212.0%
2019 -21.09 % change on previous year -179.2%
2020 20.59 % change on previous year -197.6%
2021 8.38 % change on previous year -59.3%
2022 -8.98 % change on previous year -207.2%
2023 -10.92 % change on previous year +21.5%
2024 14.3 % change on previous year -231.0%
2025 -29.86 % change on previous year -308.9%

Biggest year-on-year movements

Years where Cooling and heating degree days - Cities and FUAs — Cooling degree in Chicago changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1972 -3694.0% -0.6669 % change on previous year -25.3 % change on previous year
1952 +3703.9% 2.76 % change on previous year 105.08 % change on previous year
1987 +2175.0% 2.31 % change on previous year 52.6 % change on previous year

Averages by decade

DecadeAverage LowestHighest Years
1950s 17.36 % change on previous year -37.01 % change on previous year 105.08 % change on previous year 9
1960s -0.0569 % change on previous year -37.97 % change on previous year 57.07 % change on previous year 10
1970s 1.56 % change on previous year -25.3 % change on previous year 35.78 % change on previous year 10
1980s 9.15 % change on previous year -49.95 % change on previous year 102.7 % change on previous year 10
1990s 12.86 % change on previous year -64.49 % change on previous year 57.92 % change on previous year 10
2000s 2.91 % change on previous year -33.83 % change on previous year 130.25 % change on previous year 10
2010s 11.05 % change on previous year -40.96 % change on previous year 105.04 % change on previous year 10
2020s -1.08 % change on previous year -29.86 % change on previous year 20.59 % change on previous year 6

More reference data data for Chicago

All data for Chicago →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — cooling degree in Chicago?
Cooling and heating degree days - cities and fuas — cooling degree in Chicago was -29.86 % change on previous year in 2025, according to Statizoid (derived).
What is the highest cooling and heating degree days - cities and fuas — cooling degree recorded in Chicago?
The highest recorded value was 130.25 % change on previous year in 2005.
What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in Chicago?
The lowest recorded value was -64.49 % change on previous year in 1992.
How does Chicago rank for cooling and heating degree days - cities and fuas — cooling degree?
Chicago ranks 529th out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in Chicago?
Over the last ten years it is down 405.6%. The long-run trend across the full record is volatile.
Where does this Chicago data come from?
The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate. Statizoid updates them automatically from the source API.

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Cooling and heating degree days - Cities and FUAs — Cooling degree in Chicago. Statizoid, drawing on Statizoid (derived). Retrieved 01 October 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/chicago/

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<a href="https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/chicago/">Cooling and heating degree days - Cities and FUAs — Cooling degree in Chicago</a> — Statizoid

How this figure is calculated

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Cooling degree days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.

Computed from

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

Indicator
Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
1,324 places, 97,987 data points, 1951–2025
Last refreshed

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Cooling degree days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.