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

Tulcea: Cooling and heating degree days - Cities and FUAs — Change in heating was -94.32 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-94.32 % change on previous year
Change on year
down 2,044.7%
Rank
971st
of 1290 regions
All-time high
708.98 % change on previous year
in 1985
All-time low
-644.53 % change on previous year
in 2019
Years of data
69
1951–2025

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

-5000500195119882025

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

Analysis

Tulcea recorded -94.32 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.

Compared with earlier readings it is down 2,044.7% on the previous year and down 1,075.0% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Tulcea peaked at 708.98 % change on previous year in 1985 and was at its lowest, -644.53 % change on previous year, in 2019.

That places Tulcea 971st out of 1290 regions with data for 2025, putting it 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 heating in Tulcea, 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 Tulcea, 1951 to 2025.
Year % change on previous year Change
1951 -119.79 % change on previous year
1952 67.67 % change on previous year -156.5%
1953 522.1 % change on previous year +671.6%
1954 98.01 % change on previous year -81.2%
1955 -108.38 % change on previous year -210.6%
1957 -78.16 % change on previous year -27.9%
1958 -144.36 % change on previous year +84.7%
1959 347.57 % change on previous year -340.8%
1960 -305.81 % change on previous year -188.0%
1961 55.14 % change on previous year -118.0%
1962 115.98 % change on previous year +110.3%
1964 -66.15 % change on previous year -157.0%
1965 70.18 % change on previous year -206.1%
1966 -231.36 % change on previous year -429.7%
1967 165.07 % change on previous year -171.3%
1968 -43.13 % change on previous year -126.1%
1969 293.05 % change on previous year -779.4%
1970 -138.95 % change on previous year -147.4%
1971 64.62 % change on previous year -146.5%
1972 270.01 % change on previous year +317.9%
1973 144.75 % change on previous year -46.4%
1974 -82.06 % change on previous year -156.7%
1975 -281.58 % change on previous year +243.2%
1976 335.37 % change on previous year -219.1%
1977 -142.68 % change on previous year -142.5%
1978 204.82 % change on previous year -243.6%
1979 -201.93 % change on previous year -198.6%
1980 382.4 % change on previous year -289.4%
1981 -101.59 % change on previous year -126.6%
1983 -152.75 % change on previous year +50.4%
1984 406.42 % change on previous year -366.1%
1985 708.98 % change on previous year +74.4%
1986 -68.93 % change on previous year -109.7%
1987 175.07 % change on previous year -354.0%
1988 -61.22 % change on previous year -135.0%
1989 -273.71 % change on previous year +347.1%
1990 -28.63 % change on previous year -89.5%
1991 143.52 % change on previous year -601.3%
1992 -65.77 % change on previous year -145.8%
1993 257.51 % change on previous year -491.5%
1994 -192.99 % change on previous year -174.9%
1995 147.62 % change on previous year -176.5%
1996 207.04 % change on previous year +40.3%
1997 0.9957 % change on previous year -99.5%
1998 -94.49 % change on previous year -9589.4%
2000 12.7 % change on previous year -113.4%
2001 79.13 % change on previous year +522.8%
2002 -369.76 % change on previous year -567.3%
2003 275.12 % change on previous year -174.4%
2004 -150.8 % change on previous year -154.8%
2005 64.96 % change on previous year -143.1%
2006 55.57 % change on previous year -14.5%
2008 -0.5839 % change on previous year -101.1%
2009 20.78 % change on previous year -3658.2%
2010 58.21 % change on previous year +180.2%
2011 229.55 % change on previous year +294.4%
2012 -99.87 % change on previous year -143.5%
2014 14.81 % change on previous year -114.8%
2015 9.67 % change on previous year -34.7%
2016 39.7 % change on previous year +310.4%
2017 18.07 % change on previous year -54.5%
2018 42.77 % change on previous year +136.7%
2019 -644.53 % change on previous year -1607.0%
2020 -6.32 % change on previous year -99.0%
2021 68.17 % change on previous year -1179.0%
2022 -101.77 % change on previous year -249.3%
2023 -24.72 % change on previous year -75.7%
2024 4.85 % change on previous year -119.6%
2025 -94.32 % change on previous year -2044.7%

Averages by decade

DecadeAverage LowestHighest Years
1950s 73.08 % change on previous year -144.36 % change on previous year 522.1 % change on previous year 8
1960s 5.88 % change on previous year -305.81 % change on previous year 293.05 % change on previous year 9
1970s 17.24 % change on previous year -281.58 % change on previous year 335.37 % change on previous year 10
1980s 112.74 % change on previous year -273.71 % change on previous year 708.98 % change on previous year 9
1990s 41.64 % change on previous year -192.99 % change on previous year 257.51 % change on previous year 9
2000s -1.43 % change on previous year -369.76 % change on previous year 275.12 % change on previous year 9
2010s -36.85 % change on previous year -644.53 % change on previous year 229.55 % change on previous year 9
2020s -25.68 % change on previous year -101.77 % change on previous year 68.17 % change on previous year 6

More reference data data for Tulcea

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Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in heating in Tulcea?
Cooling and heating degree days - cities and fuas — change in heating in Tulcea was -94.32 % 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 Tulcea?
The highest recorded value was 708.98 % change on previous year in 1985.
What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Tulcea?
The lowest recorded value was -644.53 % change on previous year in 2019.
How does Tulcea rank for cooling and heating degree days - cities and fuas — change in heating?
Tulcea ranks 971st out of 1290 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Tulcea?
Over the last ten years it is down 1,075.0%. The long-run trend across the full record is volatile.
Where does this Tulcea 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 Tulcea. 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/tulcea/

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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.