France vs Iran: Tropical nights

Tropical nights in 2014: 3.1 nights in France and 90.8 nights in Iran, in the CMIP6 climate models’ median run. In 2014 the value was higher in Iran, by 87.8 nights, or 30 times that in France.

Watch it change on the map

nights a year · CMIP6

FranceIranCMIP6 model median (SSP2-4.5, middle of the road)models’ 10th–90th percentile

What the numbers say

Iran has been higher in every year both have figures for since 1950.
The CMIP6 model median (SSP2-4.5, middle of the road) puts France at 19.2 nights and Iran at 124.4 nights in 2100.

Every year

nights a year · CMIP6

Year	France	Iran
2014	3.1	90.8
2013	3.1	90.6
2012	2.9	90.3
2011	2.7	89.8
2010	3.9	87
2009	2.5	87.2
2008	2.4	88
2007	2.1	87.9
2006	2.6	88.2
2005	2.9	87.1
2004	2.7	86.4
2003	2.6	85.9
2002	1.8	87.7
2001	2.3	86.6
2000	1.8	86.5
1999	2.1	85.1
1998	1.5	83.8
1997	1.6	84.3
1996	1.5	82.4
1995	1.3	81.6
1994	1.5	80.6
1993	1.1	77.7
1992	1	77
1991	1.8	81.9
1990	1.9	83.1
1989	1.2	81.7
1988	1.2	80.4
1987	1.3	79.8
1986	0.9	80.1
1985	0.9	79.7
1984	1.1	78.8
1983	1.1	75.5
1982	1	77.9
1981	1.1	80.2
1980	1.2	79.4
1979	0.9	80.2
1978	1.3	78.1
1977	0.9	77.8
1976	0.8	77.2
1975	0.9	76.6
1974	1.2	76.4
1973	0.9	76.9
1972	0.9	77.4
1971	1	75
1970	0.9	75.3
1969	1	75.6
1968	0.9	76.3
1967	0.8	76.1
1966	0.8	75.5
1965	0.7	75.3
1964	1	75.3
1963	0.9	76.4
1962	1.1	77.5
1961	0.9	77.7
1960	1.1	77.6
1959	1.2	76.8
1958	1	78.4
1957	1	78.2
1956	1.2	76.2
1955	1.1	76.5
1954	1.3	77.6
1953	1	77.3
1952	1.3	78.2
1951	1.1	76.6
1950	1.2	77.7

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

Year	France	Iran
2015	3.61.5–8.6	94.482.7–106
2016	4.11.5–9.9	94.183.1–105.3
2017	3.51.3–10.2	93.981.7–104
2018	3.91.7–10.8	94.183–106.3
2019	4.51.6–9	95.183.4–105.8
2020	4.11.6–10.5	95.985.5–107.5
2021	4.51.3–13.2	97.286–107.7
2022	51.5–12.5	96.285.2–108.3
2023	4.81.6–12.5	98.485.7–110.6
2024	5.51.8–11.2	9885.1–110.5
2025	5.81.5–12.1	98.787.2–110.5
2026	6.22.1–12.7	99.186.7–111.7
2027	5.41.7–11.2	100.288.7–112.1
2028	5.91.7–13.3	99.686.2–111.6
2029	6.31.9–12.6	99.386.7–109.9
2030	5.82.1–11.9	100.889.8–111.6
2031	5.92–11.8	102.990.1–114.8
2032	5.92.7–12.9	101.289–113.9
2033	72.5–13.6	102.889.9–115.1
2034	7.92.4–17.3	104.690.7–117.3
2035	6.92.4–14.4	10592.1–116.2
2036	7.32.6–14.6	103.591.4–115.2
2037	7.32.6–13.3	10693.1–119.4
2038	6.53–15.1	105.993.2–116.5
2039	6.92.6–14.3	104.392.9–116.6
2040	7.72.3–16	105.592.3–118.4
2041	8.12.6–15.2	104.892.5–116.4
2042	6.93–16	107.793.4–120.7
2043	7.92.8–15.6	10692.9–118.8
2044	7.93.1–16.6	106.893.6–121.2
2045	9.23.2–19.6	108.795.1–121.8
2046	8.93.2–17.6	109.296.1–121.9
2047	9.74–19.2	110.596.9–123.3
2048	9.13.4–17	111.498.6–124
2049	10.13.7–20.8	11095.7–123.4
2050	10.94.8–18.9	112.199.6–125.1
2051	9.23.5–18.4	111.797.6–124.1
2052	103.4–21.2	11298.3–126
2053	8.73.8–18	111.597.5–124
2054	9.74.4–19.2	111.899–126.3
2055	9.93.9–17.2	114.6101.4–128
2056	114.3–21.8	113.1100.2–126.2
2057	10.94.2–19.8	113.899.9–128.9
2058	13.85.1–25.7	114.2100–127.7
2059	11.23.3–25	113.498.9–126.3
2060	12.86.1–22	116.3100.3–129.5
2061	12.64.7–23.2	115100.5–127.6
2062	12.36.2–22.4	115.799.7–131.1
2063	125.2–24.9	117103.7–130.3
2064	125.3–21.6	115.1101.7–130.3
2065	12.53.9–30.8	117.3102.8–132.3
2066	11.55.3–22.1	117.7103.7–132.1
2067	18.38.1–33.3	119103–133.5
2068	135.4–23.4	118.1104.3–131.4
2069	15.65.7–25.5	118.4103.8–133.2
2070	13.55.2–29.1	118.2104.9–132.9
2071	154.4–30.2	119.3105.1–135.3
2072	15.57.4–26	119103.2–135.1
2073	13.96–29.1	120.6104.9–137.7
2074	12.84.3–27.3	119.1104.4–134.5
2075	13.96.3–25.6	119.7105.9–135.5
2076	166.1–33.8	118.9102.6–137
2077	13.25–29.8	120.3104.3–135.3
2078	13.75.1–33.6	119.2105.3–136
2079	12.95.3–28.4	120.1103.2–135.6
2080	14.45.4–27.9	120.4106.1–139.5
2081	15.15.8–29.8	120.5104.3–137.1
2082	16.46.1–33.9	122.5107.5–137.7
2083	15.97.9–32	122.6105.8–140.4
2084	14.16.6–27.7	123.7107.6–139.1
2085	16.57.3–30.2	121.3106.6–140.6
2086	19.55.5–32.4	122.1107.9–139.8
2087	196.9–38	123.7108–140.7
2088	18.47.7–35.2	124106.5–142.2
2089	1910.6–29.3	124.1109–139.7
2090	16.36.8–33.5	122.5105.4–141.9
2091	19.77.6–32.3	124.3108–140.5
2092	17.36.1–32.7	125.5110.1–140
2093	156.5–29.8	124.5109–139.3
2094	18.68.5–32.8	125108.7–142.9
2095	19.25.9–38.9	125.3108.5–141
2096	19.37.6–35.5	125.8109–142.4
2097	17.36.2–36.1	123.6106.9–141.8
2098	18.16.9–36.3	125.8109.4–143.8
2099	20.37.4–34.6	123.1107.8–140.1
2100	19.27–36.7	124.4107.9–143.7

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

France vs Iran: Tropical nights

What the numbers say

Every year

Each country on its own

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