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

Sumter: Cooling and heating degree days - Cities and FUAs — Change in cooling was -106.4 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-106.4 % change on previous year
Change on year
down 194.3%
Rank
551st
of 1306 regions
All-time high
721.74 % change on previous year
in 2006
All-time low
-956.21 % change on previous year
in 1974
Years of data
70
1951–2025

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

-1.0k-5000500195119882025

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

Analysis

In 2025, cooling and heating degree days - cities and fuas — change in cooling in Sumter stood at -106.4 % change on previous year.

That represents a change of down 194.3% on the previous year and down 171.8% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Sumter peaked at 721.74 % change on previous year in 2006 and was at its lowest, -956.21 % change on previous year, in 1974.

That places Sumter 551st out of 1306 regions with data for 2025, putting it 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 — Change in cooling in Sumter, 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 Sumter, 1951 to 2025.
Year % change on previous year Change
1951 100.71 % change on previous year —
1953 -60.14 % change on previous year -159.7%
1954 19.42 % change on previous year -132.3%
1955 49.22 % change on previous year +153.5%
1956 109.81 % change on previous year +123.1%
1958 41.72 % change on previous year -62.0%
1959 -92.42 % change on previous year -321.5%
1960 -27.19 % change on previous year -70.6%
1961 78.19 % change on previous year -387.6%
1962 4.86 % change on previous year -93.8%
1963 113.23 % change on previous year +2228.2%
1965 -61.77 % change on previous year -154.5%
1966 -7.93 % change on previous year -87.2%
1967 49.23 % change on previous year -720.8%
1968 -37.32 % change on previous year -175.8%
1969 -32.33 % change on previous year -13.4%
1970 125.5 % change on previous year -488.2%
1971 -213.66 % change on previous year -270.2%
1972 215.82 % change on previous year -201.0%
1973 -113.95 % change on previous year -152.8%
1974 -956.21 % change on previous year +739.1%
1975 227.01 % change on previous year -123.7%
1976 -251.05 % change on previous year -210.6%
1977 132.81 % change on previous year -152.9%
1978 -59.04 % change on previous year -144.5%
1979 -641.66 % change on previous year +986.8%
1980 137.19 % change on previous year -121.4%
1981 22.03 % change on previous year -83.9%
1982 -431.01 % change on previous year -2056.2%
1983 -33.45 % change on previous year -92.2%
1984 36.4 % change on previous year -208.8%
1985 95.51 % change on previous year +162.4%
1986 126.54 % change on previous year +32.5%
1988 -14.63 % change on previous year -111.6%
1989 225.93 % change on previous year -1644.0%
1990 71.01 % change on previous year -68.6%
1991 -68.79 % change on previous year -196.9%
1992 -180.62 % change on previous year +162.6%
1993 53.8 % change on previous year -129.8%
1994 -306.98 % change on previous year -670.5%
1995 56.32 % change on previous year -118.3%
1996 -119.09 % change on previous year -311.4%
1997 72.96 % change on previous year -161.3%
1998 474.63 % change on previous year +550.5%
1999 -117.73 % change on previous year -124.8%
2000 91.37 % change on previous year -177.6%
2002 74.48 % change on previous year -18.5%
2003 -246.47 % change on previous year -430.9%
2004 87.97 % change on previous year -135.7%
2005 -228.22 % change on previous year -359.4%
2006 721.74 % change on previous year -416.3%
2007 -18.48 % change on previous year -102.6%
2008 -75.97 % change on previous year +311.2%
2009 442.11 % change on previous year -681.9%
2010 -5.57 % change on previous year -101.3%
2011 18.76 % change on previous year -437.0%
2012 -74.41 % change on previous year -496.7%
2013 61.1 % change on previous year -182.1%
2014 38.15 % change on previous year -37.6%
2015 148.27 % change on previous year +288.6%
2016 -46.27 % change on previous year -131.2%
2017 -53.01 % change on previous year +14.5%
2018 -134.13 % change on previous year +153.0%
2019 609.37 % change on previous year -554.3%
2020 41.28 % change on previous year -93.2%
2021 -111.46 % change on previous year -370.0%
2022 283.8 % change on previous year -354.6%
2023 574.94 % change on previous year +102.6%
2024 -36.15 % change on previous year -106.3%
2025 -106.4 % change on previous year +194.3%

Biggest year-on-year movements

Years where Cooling and heating degree days - Cities and FUAs — Change in cooling in Sumter 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
1963 +2228.2% 4.86 % change on previous year 113.23 % change on previous year
1982 -2056.2% 22.03 % change on previous year -431.01 % change on previous year
1989 +1644.0% -14.63 % change on previous year 225.93 % change on previous year

Averages by decade

DecadeAverage LowestHighest Years
1950s 24.05 % change on previous year -92.42 % change on previous year 109.81 % change on previous year 7
1960s 8.78 % change on previous year -61.77 % change on previous year 113.23 % change on previous year 9
1970s -153.44 % change on previous year -956.21 % change on previous year 227.01 % change on previous year 10
1980s 18.28 % change on previous year -431.01 % change on previous year 225.93 % change on previous year 9
1990s -6.45 % change on previous year -306.98 % change on previous year 474.63 % change on previous year 10
2000s 94.28 % change on previous year -246.47 % change on previous year 721.74 % change on previous year 9
2010s 56.23 % change on previous year -134.13 % change on previous year 609.37 % change on previous year 10
2020s 107.67 % change on previous year -111.46 % change on previous year 574.94 % change on previous year 6

More reference data data for Sumter

All data for Sumter →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in cooling in Sumter?
Cooling and heating degree days - cities and fuas — change in cooling in Sumter was -106.4 % 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 Sumter?
The highest recorded value was 721.74 % change on previous year in 2006.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Sumter?
The lowest recorded value was -956.21 % change on previous year in 1974.
How does Sumter rank for cooling and heating degree days - cities and fuas — change in cooling?
Sumter ranks 551st out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Sumter?
Over the last ten years it is down 171.8%. The long-run trend across the full record is volatile.
Where does this Sumter 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 Sumter. 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/sumter/

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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/sumter/">Cooling and heating degree days - Cities and FUAs — Change in cooling in Sumter</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.