Cooling and heating degree days - Cities and FUAs — Change in cooling in Calgary

Calgary: Cooling and heating degree days - Cities and FUAs — Change in cooling was -243.29 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-243.29 % change on previous year
Change on year
down 1,667.9%
Rank
1102nd
of 1306 regions
All-time high
445.73 % change on previous year
in 1988
All-time low
-713.99 % change on previous year
in 2010
Years of data
69
1951–2025

Cooling and heating degree days - Cities and FUAs — Change in cooling in Calgary, 1951–2025

-750-500-2500250500195119882025

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

Analysis

In 2025, cooling and heating degree days - cities and fuas — change in cooling in Calgary stood at -243.29 % change on previous year.

Compared with earlier readings it is down 1,667.9% on the previous year and down 176.6% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Calgary peaked at 445.73 % change on previous year in 1988 and was at its lowest, -713.99 % change on previous year, in 2010.

Calgary ranks 1102nd of 1306 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 cooling in Calgary, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period, annual growth rate in Calgary, 1951 to 2025.
Year % change on previous year Change
1951 -303.7 % change on previous year —
1952 -104.59 % change on previous year -65.6%
1953 29.82 % change on previous year -128.5%
1954 -169.72 % change on previous year -669.2%
1955 123.64 % change on previous year -172.8%
1956 -197.43 % change on previous year -259.7%
1957 -102.37 % change on previous year -48.2%
1958 138.64 % change on previous year -235.4%
1959 -468.17 % change on previous year -437.7%
1960 46.29 % change on previous year -109.9%
1961 401.74 % change on previous year +767.8%
1962 -154.09 % change on previous year -138.4%
1963 25.89 % change on previous year -116.8%
1964 17.57 % change on previous year -32.1%
1965 -83.1 % change on previous year -573.0%
1966 -28.32 % change on previous year -65.9%
1967 122 % change on previous year -530.8%
1968 -612.14 % change on previous year -601.8%
1969 46.41 % change on previous year -107.6%
1970 115.27 % change on previous year +148.4%
1971 -24.28 % change on previous year -121.1%
1973 65.07 % change on previous year -368.0%
1974 51.83 % change on previous year -20.3%
1975 -15.54 % change on previous year -130.0%
1976 -248.54 % change on previous year +1499.4%
1977 -30.94 % change on previous year -87.6%
1978 42.87 % change on previous year -238.5%
1979 179.49 % change on previous year +318.7%
1980 -324.53 % change on previous year -280.8%
1981 92.85 % change on previous year -128.6%
1983 172.8 % change on previous year +86.1%
1984 192.75 % change on previous year +11.5%
1985 -51.23 % change on previous year -126.6%
1986 -102.15 % change on previous year +99.4%
1988 445.73 % change on previous year -536.3%
1989 -88.66 % change on previous year -119.9%
1990 96.5 % change on previous year -208.8%
1991 -212.4 % change on previous year -320.1%
1992 -134.3 % change on previous year -36.8%
1993 -130.31 % change on previous year -3.0%
1994 136.92 % change on previous year -205.1%
1995 -343.3 % change on previous year -350.7%
1996 102.67 % change on previous year -129.9%
1998 165.21 % change on previous year +60.9%
1999 -238.43 % change on previous year -244.3%
2000 78.81 % change on previous year -133.1%
2002 -31.85 % change on previous year -140.4%
2003 88.02 % change on previous year -376.4%
2004 -183.23 % change on previous year -308.2%
2005 15.33 % change on previous year -108.4%
2006 126.49 % change on previous year +725.2%
2007 -5.42 % change on previous year -104.3%
2008 -185.73 % change on previous year +3329.7%
2009 171.16 % change on previous year -192.2%
2010 -713.99 % change on previous year -517.2%
2011 66.6 % change on previous year -109.3%
2012 174.46 % change on previous year +162.0%
2013 -301.79 % change on previous year -273.0%
2014 48.91 % change on previous year -116.2%
2015 317.53 % change on previous year +549.2%
2016 -234.5 % change on previous year -173.9%
2017 383.85 % change on previous year -263.7%
2018 -18.28 % change on previous year -104.8%
2019 -142.87 % change on previous year +681.3%
2020 120.14 % change on previous year -184.1%
2022 -52.65 % change on previous year -143.8%
2023 32.65 % change on previous year -162.0%
2024 -13.76 % change on previous year -142.1%
2025 -243.29 % change on previous year +1667.9%

Biggest year-on-year movements

Years where Cooling and heating degree days - Cities and FUAs — Change in cooling in Calgary 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
2008 -3329.7% -5.42 % change on previous year -185.73 % change on previous year
2025 -1667.9% -13.76 % change on previous year -243.29 % change on previous year

Averages by decade

DecadeAverage LowestHighest Years
1950s -117.1 % change on previous year -468.17 % change on previous year 138.64 % change on previous year 9
1960s -21.77 % change on previous year -612.14 % change on previous year 401.74 % change on previous year 10
1970s 15.03 % change on previous year -248.54 % change on previous year 179.49 % change on previous year 9
1980s 42.19 % change on previous year -324.53 % change on previous year 445.73 % change on previous year 8
1990s -61.94 % change on previous year -343.3 % change on previous year 165.21 % change on previous year 9
2000s 8.18 % change on previous year -185.73 % change on previous year 171.16 % change on previous year 9
2010s -42.01 % change on previous year -713.99 % change on previous year 383.85 % change on previous year 10
2020s -31.38 % change on previous year -243.29 % change on previous year 120.14 % change on previous year 5

More reference data data for Calgary

All data for Calgary →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in cooling in Calgary?
Cooling and heating degree days - cities and fuas — change in cooling in Calgary was -243.29 % change on previous year in 2025, according to Statizoid (derived).
What is the highest cooling and heating degree days - cities and fuas — change in cooling recorded in Calgary?
The highest recorded value was 445.73 % change on previous year in 1988.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Calgary?
The lowest recorded value was -713.99 % change on previous year in 2010.
How does Calgary rank for cooling and heating degree days - cities and fuas — change in cooling?
Calgary ranks 1102nd out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Calgary?
Over the last ten years it is down 176.6%. The long-run trend across the full record is volatile.
Where does this Calgary data come from?
The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period, annual growth rate. Statizoid updates them automatically from the source API.

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Cooling and heating degree days - Cities and FUAs — Change in cooling in Calgary. Statizoid, drawing on Statizoid (derived). Retrieved 01 October 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-cooling-degree-days-from-1981-2/calgary/

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<a href="https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-cooling-degree-days-from-1981-2/calgary/">Cooling and heating degree days - Cities and FUAs — Change in cooling in Calgary</a> — Statizoid

How this figure is calculated

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in cooling 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

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 — Change in cooling degree days from 1981–2010 period to 2020–24 period, 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, 93,596 data points, 1951–2025
Last refreshed

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in cooling 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.