Cooling and heating degree days - Cities and FUAs — Change in heating in Delaware

Delaware: Cooling and heating degree days - Cities and FUAs — Change in heating was 71.22 % change on previous year in 2025. ◆ Volatile

Latest (2025)
71.22 % change on previous year
Change on year
up 883.1%
Rank
2nd
of 16 groups
All-time high
891.1 % change on previous year
in 1958
All-time low
-681.8 % change on previous year
in 2006
Years of data
73
1951–2025

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

-50005001.0k195119882025

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

Analysis

Delaware recorded 71.22 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.

Compared with earlier readings it is up 883.1% on the previous year and up 161.7% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Delaware peaked at 891.1 % change on previous year in 1958 and was at its lowest, -681.8 % change on previous year, in 2006.

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 Delaware, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period, annual growth rate in Delaware, 1951 to 2025.
Year % change on previous year Change
1951 -14.73 % change on previous year
1952 -174.18 % change on previous year +1082.7%
1953 -123.33 % change on previous year -29.2%
1954 81.33 % change on previous year -165.9%
1955 77.3 % change on previous year -5.0%
1956 163.16 % change on previous year +111.1%
1957 429.67 % change on previous year +163.3%
1958 891.1 % change on previous year +107.4%
1959 -91.42 % change on previous year -110.3%
1961 -51.35 % change on previous year -43.8%
1962 93.11 % change on previous year -281.3%
1963 32.17 % change on previous year -65.5%
1964 -92.82 % change on previous year -388.5%
1965 9.11 % change on previous year -109.8%
1966 634.42 % change on previous year +6867.6%
1967 -40.73 % change on previous year -106.4%
1968 20.5 % change on previous year -150.3%
1969 127.25 % change on previous year +520.9%
1970 -45.1 % change on previous year -135.4%
1971 -80.47 % change on previous year +78.4%
1972 575.76 % change on previous year -815.5%
1973 -168.29 % change on previous year -129.2%
1974 95.73 % change on previous year -156.9%
1975 -278.56 % change on previous year -391.0%
1976 702.12 % change on previous year -352.1%
1977 49.17 % change on previous year -93.0%
1978 76.14 % change on previous year +54.8%
1979 -40.99 % change on previous year -153.8%
1980 -1.01 % change on previous year -97.5%
1981 -54.01 % change on previous year +5242.2%
1982 5.07 % change on previous year -109.4%
1983 -73.27 % change on previous year -1543.9%
1984 245.23 % change on previous year -434.7%
1985 8.05 % change on previous year -96.7%
1986 -135.19 % change on previous year -1779.3%
1987 -139.88 % change on previous year +3.5%
1988 262.86 % change on previous year -287.9%
1989 25.82 % change on previous year -90.2%
1990 -239.96 % change on previous year -1029.3%
1991 39.17 % change on previous year -116.3%
1992 76.3 % change on previous year +94.8%
1993 306.19 % change on previous year +301.3%
1994 -124 % change on previous year -140.5%
1995 546.74 % change on previous year -540.9%
1996 120.03 % change on previous year -78.0%
1997 -48.96 % change on previous year -140.8%
1998 -445.15 % change on previous year +809.2%
1999 62.22 % change on previous year -114.0%
2000 153.42 % change on previous year +146.6%
2001 -322.59 % change on previous year -310.3%
2002 72.13 % change on previous year -122.4%
2003 315.14 % change on previous year +336.9%
2004 -149.61 % change on previous year -147.5%
2005 185.71 % change on previous year -224.1%
2006 -681.8 % change on previous year -467.1%
2007 87.78 % change on previous year -112.9%
2008 359.76 % change on previous year +309.8%
2009 -104.57 % change on previous year -129.1%
2011 -284.9 % change on previous year +172.5%
2012 -246.66 % change on previous year -13.4%
2013 134.74 % change on previous year -154.6%
2014 239.02 % change on previous year +77.4%
2015 -115.41 % change on previous year -148.3%
2016 -249.28 % change on previous year +116.0%
2017 -35.77 % change on previous year -85.7%
2018 119.67 % change on previous year -434.6%
2019 -188.59 % change on previous year -257.6%
2020 -351.93 % change on previous year +86.6%
2021 22.54 % change on previous year -106.4%
2022 64.98 % change on previous year +188.2%
2023 -395 % change on previous year -707.9%
2024 -9.09 % change on previous year -97.7%
2025 71.22 % change on previous year -883.1%

Averages by decade

DecadeAverage LowestHighest Years
1950s 137.66 % change on previous year -174.18 % change on previous year 891.1 % change on previous year 9
1960s 81.3 % change on previous year -92.82 % change on previous year 634.42 % change on previous year 9
1970s 88.55 % change on previous year -278.56 % change on previous year 702.12 % change on previous year 10
1980s 14.37 % change on previous year -139.88 % change on previous year 262.86 % change on previous year 10
1990s 29.26 % change on previous year -445.15 % change on previous year 546.74 % change on previous year 10
2000s -8.46 % change on previous year -681.8 % change on previous year 359.76 % change on previous year 10
2010s -69.69 % change on previous year -284.9 % change on previous year 239.02 % change on previous year 9
2020s -99.55 % change on previous year -395 % change on previous year 71.22 % change on previous year 6

Countries ranked near Delaware

  1. 1 Luxembourg -37 % change on previous year compare
  2. 2 Armenia -271.46 % change on previous year compare

See the full ranking of 1308 places →

More reference data data for Delaware

All data for Delaware →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in heating in Delaware?
Cooling and heating degree days - cities and fuas — change in heating in Delaware was 71.22 % 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 Delaware?
The highest recorded value was 891.1 % change on previous year in 1958.
What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Delaware?
The lowest recorded value was -681.8 % change on previous year in 2006.
How does Delaware rank for cooling and heating degree days - cities and fuas — change in heating?
Delaware ranks 2nd out of 16 groups with data for 2025.
Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Delaware?
Over the last ten years it is up 161.7%. The long-run trend across the full record is volatile.
Where does this Delaware 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.

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Cooling and heating degree days - Cities and FUAs — Change in heating in Delaware. Statizoid, drawing on Statizoid (derived). Retrieved 05 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-heating-degree-days-from-1981-2/delaware/

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

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

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 heating 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
1,308 places, 92,820 data points, 1951–2025
Last refreshed

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.