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

Tulcea: Cooling and heating degree days - Cities and FUAs — Change in cooling was -85.38 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-85.38 % change on previous year
Change on year
down 246.8%
Rank
433rd
of 1306 regions
All-time high
426.2 % change on previous year
in 2007
All-time low
-953.88 % change on previous year
in 1959
Years of data
72
1951–2025

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

-1.0k-5000500195119882025

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

Analysis

Tulcea recorded -85.38 % change on previous year for cooling and heating degree days - cities and fuas — change in cooling in 2025.

The figure is down 246.8% on the previous year and down 175.8% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Tulcea peaked at 426.2 % change on previous year in 2007 and was at its lowest, -953.88 % change on previous year, in 1959.

Tulcea ranks 433rd 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 — Change in cooling in Tulcea, 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 Tulcea, 1951 to 2025.
Year % change on previous year Change
1951 4.53 % change on previous year
1952 -36.99 % change on previous year -916.4%
1953 -28.68 % change on previous year -22.5%
1954 156.22 % change on previous year -644.7%
1955 -167.11 % change on previous year -207.0%
1956 49.6 % change on previous year -129.7%
1957 205.1 % change on previous year +313.5%
1958 -95.47 % change on previous year -146.5%
1959 -953.88 % change on previous year +899.1%
1960 -192.02 % change on previous year -79.9%
1961 62.37 % change on previous year -132.5%
1962 167.44 % change on previous year +168.5%
1963 364 % change on previous year +117.4%
1964 -189.83 % change on previous year -152.1%
1965 -20.73 % change on previous year -89.1%
1966 47.93 % change on previous year -331.3%
1967 -70.98 % change on previous year -248.1%
1968 -11.23 % change on previous year -84.2%
1969 -27.64 % change on previous year +146.0%
1970 36.95 % change on previous year -233.7%
1971 -12.82 % change on previous year -134.7%
1972 41.52 % change on previous year -423.7%
1973 -186.34 % change on previous year -548.8%
1974 14.99 % change on previous year -108.0%
1975 87.77 % change on previous year +485.4%
1977 26.26 % change on previous year -70.1%
1978 -48.14 % change on previous year -283.3%
1979 46.27 % change on previous year -196.1%
1980 -70.01 % change on previous year -251.3%
1981 55.47 % change on previous year -179.2%
1982 -51.98 % change on previous year -193.7%
1983 21.19 % change on previous year -140.8%
1984 -45.17 % change on previous year -313.2%
1985 24.45 % change on previous year -154.1%
1986 90.88 % change on previous year +271.7%
1987 -330.67 % change on previous year -463.8%
1988 25.14 % change on previous year -107.6%
1989 -167.24 % change on previous year -765.3%
1990 63.51 % change on previous year -138.0%
1991 -186.27 % change on previous year -393.3%
1992 101.9 % change on previous year -154.7%
1994 146.44 % change on previous year +43.7%
1995 -191.83 % change on previous year -231.0%
1996 -8.88 % change on previous year -95.4%
1997 -273.63 % change on previous year +2980.4%
1998 102.26 % change on previous year -137.4%
2000 23.68 % change on previous year -76.8%
2001 10.18 % change on previous year -57.0%
2002 11.04 % change on previous year +8.5%
2003 -29.8 % change on previous year -369.8%
2004 -229.01 % change on previous year +668.5%
2005 141.95 % change on previous year -162.0%
2006 47.67 % change on previous year -66.4%
2007 426.2 % change on previous year +794.1%
2008 -57.95 % change on previous year -113.6%
2009 -7.64 % change on previous year -86.8%
2010 37.49 % change on previous year -591.0%
2011 -35.35 % change on previous year -194.3%
2012 225.27 % change on previous year -737.3%
2013 -79.41 % change on previous year -135.3%
2014 12.74 % change on previous year -116.0%
2015 112.69 % change on previous year +784.5%
2016 -25.15 % change on previous year -122.3%
2017 -15.2 % change on previous year -39.6%
2018 2.1 % change on previous year -113.8%
2019 96.09 % change on previous year +4474.2%
2020 -29.89 % change on previous year -131.1%
2021 -63.92 % change on previous year +113.9%
2022 201.38 % change on previous year -415.1%
2023 23.35 % change on previous year -88.4%
2024 58.17 % change on previous year +149.1%
2025 -85.38 % change on previous year -246.8%

Averages by decade

DecadeAverage LowestHighest Years
1950s -96.3 % change on previous year -953.88 % change on previous year 205.1 % change on previous year 9
1960s 12.93 % change on previous year -192.02 % change on previous year 364 % change on previous year 10
1970s 0.7182 % change on previous year -186.34 % change on previous year 87.77 % change on previous year 9
1980s -44.8 % change on previous year -330.67 % change on previous year 90.88 % change on previous year 10
1990s -30.81 % change on previous year -273.63 % change on previous year 146.44 % change on previous year 8
2000s 33.63 % change on previous year -229.01 % change on previous year 426.2 % change on previous year 10
2010s 33.13 % change on previous year -79.41 % change on previous year 225.27 % change on previous year 10
2020s 17.29 % change on previous year -85.38 % change on previous year 201.38 % 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 cooling in Tulcea?
Cooling and heating degree days - cities and fuas — change in cooling in Tulcea was -85.38 % 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 Tulcea?
The highest recorded value was 426.2 % change on previous year in 2007.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Tulcea?
The lowest recorded value was -953.88 % change on previous year in 1959.
How does Tulcea rank for cooling and heating degree days - cities and fuas — change in cooling?
Tulcea ranks 433rd out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Tulcea?
Over the last ten years it is down 175.8%. 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 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 Tulcea. Statizoid, drawing on Statizoid (derived). Retrieved 07 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-cooling-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 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.