Iran vs Tunisia: Tropical nights

Tropical nights in 2014: 90.8 nights in Iran and 110.5 nights in Tunisia, in the CMIP6 climate models’ median run. In 2014 the value was higher in Tunisia, by 19.7 nights, or 1.22 times that in Iran.

Watch it change on the map

nights a year · CMIP6

IranTunisiaCMIP6 model median (SSP2-4.5, middle of the road)models’ 10th–90th percentile

What the numbers say

Tunisia has been higher in every year both have figures for since 1950.
The CMIP6 model median (SSP2-4.5, middle of the road) puts Iran at 124.4 nights and Tunisia at 143.8 nights in 2100.

Every year

nights a year · CMIP6

Year	Iran	Tunisia
2014	90.8	110.5
2013	90.6	110.7
2012	90.3	110
2011	89.8	108.9
2010	87	109.6
2009	87.2	106.1
2008	88	108.6
2007	87.9	106.6
2006	88.2	107.6
2005	87.1	105.6
2004	86.4	105
2003	85.9	105.5
2002	87.7	103.8
2001	86.6	101.8
2000	86.5	104.5
1999	85.1	100.1
1998	83.8	100.1
1997	84.3	100.1
1996	82.4	99.1
1995	81.6	95.9
1994	80.6	95
1993	77.7	91.3
1992	77	89.9
1991	81.9	98.2
1990	83.1	98.6
1989	81.7	94.7
1988	80.4	94.2
1987	79.8	92.7
1986	80.1	93.7
1985	79.7	90.6
1984	78.8	91.8
1983	75.5	90
1982	77.9	93.9
1981	80.2	93.3
1980	79.4	92.5
1979	80.2	93.8
1978	78.1	90.2
1977	77.8	88.3
1976	77.2	90.5
1975	76.6	88.6
1974	76.4	88.3
1973	76.9	90.5
1972	77.4	91
1971	75	88.8
1970	75.3	87.3
1969	75.6	90.1
1968	76.3	88.9
1967	76.1	87.6
1966	75.5	87.5
1965	75.3	84.5
1964	75.3	85.7
1963	76.4	88
1962	77.5	92.7
1961	77.7	88.3
1960	77.6	90.7
1959	76.8	92.2
1958	78.4	91.8
1957	78.2	92.3
1956	76.2	90
1955	76.5	92.7
1954	77.6	89.9
1953	77.3	89.4
1952	78.2	91.8
1951	76.6	91.6
1950	77.7	89.6

CMIP6 model median (SSP2-4.5, middle of the road) · 2015–2100

Year	Iran	Tunisia
2015	94.482.7–106	110.796.9–126.1
2016	94.183.1–105.3	111.596.6–130.1
2017	93.981.7–104	116.5102.4–131.8
2018	94.183–106.3	115.999.4–131.9
2019	95.183.4–105.8	116.598.5–129.5
2020	95.985.5–107.5	113.899.9–130.1
2021	97.286–107.7	117.4104.1–129.3
2022	96.285.2–108.3	119.7103–137.3
2023	98.485.7–110.6	118.7102.2–131.9
2024	9885.1–110.5	121107.5–132.6
2025	98.787.2–110.5	120.2100–134
2026	99.186.7–111.7	122.1110.1–134.5
2027	100.288.7–112.1	119103.6–134.1
2028	99.686.2–111.6	121.1104.5–135.4
2029	99.386.7–109.9	121.5110.2–135.8
2030	100.889.8–111.6	121.6104–133.4
2031	102.990.1–114.8	121.8105.7–134.9
2032	101.289–113.9	125.2111.6–138.9
2033	102.889.9–115.1	124.7107.6–137.5
2034	104.690.7–117.3	124.6107–141.7
2035	10592.1–116.2	126.3115.5–142.6
2036	103.591.4–115.2	126112.5–141.9
2037	10693.1–119.4	126.5110–140
2038	105.993.2–116.5	126.2111.1–139.1
2039	104.392.9–116.6	127112.5–142.3
2040	105.592.3–118.4	127.5112.8–144.3
2041	104.892.5–116.4	125.5109.1–140.4
2042	107.793.4–120.7	129.9114.8–145.8
2043	10692.9–118.8	129.1111.6–142
2044	106.893.6–121.2	127.1112.8–141.8
2045	108.795.1–121.8	128.5113.8–140.8
2046	109.296.1–121.9	128.3109.9–144
2047	110.596.9–123.3	131.2113.6–147.5
2048	111.498.6–124	129.9114.9–142.3
2049	11095.7–123.4	130115.4–143.5
2050	112.199.6–125.1	132.3117.6–147.6
2051	111.797.6–124.1	130.1112.6–148.6
2052	11298.3–126	132.7116.8–146.7
2053	111.597.5–124	132.5119.5–149.8
2054	111.899–126.3	135.2118.4–148.8
2055	114.6101.4–128	135.1119.2–151.6
2056	113.1100.2–126.2	134.8119.6–149.5
2057	113.899.9–128.9	131.9118.5–148.6
2058	114.2100–127.7	137.8122.5–156.5
2059	113.498.9–126.3	134.9117.1–152.5
2060	116.3100.3–129.5	136.2120.5–150.1
2061	115100.5–127.6	139119.4–154
2062	115.799.7–131.1	134.9119.1–155.9
2063	117103.7–130.3	138.6119.2–152.5
2064	115.1101.7–130.3	134.9121.1–152.7
2065	117.3102.8–132.3	137.1123.3–150.5
2066	117.7103.7–132.1	136.6119.2–155.1
2067	119103–133.5	138.9124.4–154.3
2068	118.1104.3–131.4	141.7124.8–159.2
2069	118.4103.8–133.2	140.3123.5–154.1
2070	118.2104.9–132.9	137123.6–155.3
2071	119.3105.1–135.3	140.5123.1–156.1
2072	119103.2–135.1	142.6128–154.3
2073	120.6104.9–137.7	139.3124.7–154.6
2074	119.1104.4–134.5	140.1123–156.5
2075	119.7105.9–135.5	139.6124.5–157.1
2076	118.9102.6–137	143.4125.2–158.8
2077	120.3104.3–135.3	141.3119.1–158.3
2078	119.2105.3–136	143127.2–155.9
2079	120.1103.2–135.6	144.7123.9–158.5
2080	120.4106.1–139.5	143.6123.6–158.7
2081	120.5104.3–137.1	139.9126.3–158.8
2082	122.5107.5–137.7	145.5125.9–158.1
2083	122.6105.8–140.4	143.4124.3–158.7
2084	123.7107.6–139.1	144.8129.6–159.7
2085	121.3106.6–140.6	145.3124.7–159.5
2086	122.1107.9–139.8	144.7129.5–162.7
2087	123.7108–140.7	144125.7–159.2
2088	124106.5–142.2	147.3127.2–165.4
2089	124.1109–139.7	142.7125.3–164.8
2090	122.5105.4–141.9	145.2126.3–165.1
2091	124.3108–140.5	144.9127.4–164.4
2092	125.5110.1–140	148.2126.3–161.1
2093	124.5109–139.3	146.9127.2–165.6
2094	125108.7–142.9	145.7126.8–160.4
2095	125.3108.5–141	145.5125.4–161.5
2096	125.8109–142.4	146.3130–169.4
2097	123.6106.9–141.8	144.6125.7–160.6
2098	125.8109.4–143.8	147129.6–161.9
2099	123.1107.8–140.1	145.8130.3–163.7
2100	124.4107.9–143.7	143.8124.8–163.8

Each country on its own

Good to know

Nights in a year when the temperature stays above 20 °C, averaged over the country.
Source: World Bank Climate Change Knowledge Portal, CMIP6 multi-model median.
The dashed line is the CMIP6 model median (SSP2-4.5, middle of the road), a scenario rather than a forecast; the band is its models’ 10th–90th percentile.
Climate model values are the median of the CMIP6 models, run on past emissions to 2014 and on SSP2-4.5, a middle-of-the-road path, after: they are not measurements.

How the layers work, where their data comes from and what they can’t tell you: Countries through time

Iran vs Tunisia: Tropical nights

What the numbers say

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