Chad vs Zambia: Tropical nights

Tropical nights in 2014: 237.6 nights in Chad and 62.9 nights in Zambia, in the CMIP6 climate models’ median run. In 2014 the value was higher in Chad, by 174.7 nights, or 3.78 times that in Zambia.

Watch it change on the map

nights a year · CMIP6

ChadZambiaCMIP6 model median (SSP2-4.5, middle of the road)models’ 10th–90th percentile

What the numbers say

Chad has been higher in every year both have figures for since 1950.
The CMIP6 model median (SSP2-4.5, middle of the road) puts Chad at 273.4 nights and Zambia at 171.5 nights in 2100.

Every year

nights a year · CMIP6

Year	Chad	Zambia
2014	237.6	62.9
2013	231.8	64.7
2012	237.9	63.9
2011	236.2	61.5
2010	234.8	59.3
2009	231.5	57.5
2008	230.8	56
2007	229.6	55.1
2006	229.5	55.9
2005	228.8	54.5
2004	228	58.4
2003	230.9	56.6
2002	229.8	55
2001	230.2	59
2000	226.4	52.9
1999	225.1	48
1998	222.9	51.3
1997	226.3	47.8
1996	222.4	43.5
1995	222.3	43.9
1994	221.4	41.6
1993	215.6	35.3
1992	214.4	36
1991	223	42.7
1990	222.8	46.4
1989	220	45
1988	219.9	43.6
1987	218.4	44
1986	222.6	43.8
1985	218	38.7
1984	216.1	38.7
1983	213.7	38.8
1982	214.8	40
1981	218.1	41.7
1980	215	39.7
1979	214.5	40.7
1978	216	38.9
1977	216.2	40
1976	215.7	35.7
1975	212.2	37.1
1974	213.8	37.4
1973	216.9	38.8
1972	215.2	35
1971	212.6	36
1970	214.3	38.1
1969	210.3	37.1
1968	212.8	34.1
1967	209.1	32.2
1966	210.8	33.1
1965	210.3	34.9
1964	210.6	31.3
1963	207.5	30.5
1962	214.7	38.8
1961	212.3	37
1960	217.3	39.3
1959	212.5	38.3
1958	213.8	39
1957	214	37.8
1956	213.4	34.6
1955	213.8	38.2
1954	214.3	38
1953	211.3	35.4
1952	213.1	37.6
1951	213.8	36.9
1950	213.1	36

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

Year	Chad	Zambia
2015	235.8215.6–253.1	72.150.1–93.9
2016	233.3212.8–247.7	66.845.9–85.7
2017	237.6218.6–253.1	71.449.7–92.5
2018	235.8217.8–254.4	73.852.7–94.8
2019	235.2213.3–255.6	73.354–97.6
2020	237217.1–255	77.556.9–100.4
2021	239.6220–258.2	76.755.7–104.5
2022	240.4223.1–258.2	84.861.6–109.7
2023	239.1216.7–256.4	84.763–108
2024	246.7227.6–261.2	85.158.2–113.9
2025	243.2223.9–259.4	84.957.1–116
2026	242.9220.8–260.9	83.658.4–119.4
2027	242.3221.2–258.6	89.562.5–115.7
2028	242.7225.4–259.7	89.965–118.6
2029	246.3227.2–264.1	9669.8–122.8
2030	244.7225.8–261.1	9166.7–118.1
2031	246.8224.7–264.8	97.668.2–121.3
2032	244.3226.5–260.2	94.970.3–122.2
2033	247.6228.7–266.1	98.270.1–123.6
2034	247.8224.9–263.9	97.370.4–135.2
2035	250.9230.3–268.9	104.168.4–137.8
2036	246.7226.3–264.1	99.568.7–131.5
2037	249.9230.3–266.2	107.177.4–139.8
2038	252.4233.4–268.7	110.383.2–138.8
2039	250230.8–267.5	101.874.3–139.1
2040	248.9227–266.8	100.872.5–145.3
2041	252230–270.9	113.978.7–147.6
2042	250.4232–271.8	111.379.1–155.1
2043	251.1232–265.5	106.678.3–150.6
2044	251.4230.2–271.3	110.574.3–145.5
2045	252.3230.8–270.2	109.882.2–148.2
2046	253.6231.9–272.3	119.485.9–160
2047	254.6236.7–274.4	123.191.1–159.4
2048	254.4236.6–273.6	124.590.6–160.2
2049	256235.4–272	124.586.1–167.1
2050	255.9234.4–276.1	130.592–166
2051	256.1237.8–275.9	128.498.1–169.8
2052	258.3237.1–273.9	130.798.6–170.4
2053	255.9234.9–275	128.488–168.8
2054	260.6233–279.6	132.193–169.6
2055	259.9239.1–276.6	132.1100.1–176.1
2056	259.4233.3–279	132.492.7–179.6
2057	262.5240.8–278.4	133.298.5–178.5
2058	259.3239.2–275.5	137.299.2–179.7
2059	263.7240.5–282.9	139.8105.8–189.5
2060	259.3239.3–280	145.4102.9–191
2061	261.1240.7–281.2	136.692.8–196.9
2062	261.4238.1–281.4	143.9101–194.7
2063	263.4239.6–278.6	144.5101.7–187.8
2064	263.9244.3–283.2	147.998.4–180.9
2065	263.7247.7–283.1	148.6104.3–199.8
2066	265.2245.7–285.6	152.1109.4–193.6
2067	262.5242.8–283.8	140.6103.2–195.7
2068	266.8241.4–286.3	150.8105.7–200.3
2069	262.7242.8–283.1	150.5106.3–197
2070	264.9243.5–284.9	145.8104.7–202.4
2071	267.9248.5–286	153.1112.7–212
2072	269.2246.8–285.6	157.2120–195.7
2073	263.7241.6–284.2	161.5115.2–210.9
2074	264239.7–285.1	149.2115–198.7
2075	266.5246.7–287	148.2111.5–202.2
2076	267.8245.8–285.7	150.4112–201.9
2077	269.5247.1–290.8	156.5120.3–208.3
2078	268.6247.9–286.4	157.2122.2–209.5
2079	266.4247.9–286.3	156.8118.1–207.3
2080	269.4249.6–289.4	159.8116–211.9
2081	267.4247.1–291.8	160.2117.1–208.6
2082	266.7249.2–286.8	159.6119.6–200.6
2083	269.8248.9–287.6	159.5110.7–219.9
2084	268.4243.4–289.7	166124.3–210.3
2085	270.8251.2–287.4	172.9126.8–221.1
2086	270.6249.6–291.5	161.9120.6–224.1
2087	266.3246.2–289.2	158.3129.2–219.6
2088	269.2245.6–290.7	168.4123.9–218.5
2089	270.4251.1–289	168.5129.9–217.9
2090	270.9245.5–291.1	165.7124–223.8
2091	271.3246.1–293.5	177.4129.5–227.2
2092	270.6248.3–291.9	170.6127.8–221.5
2093	272.4254.3–289.2	173.6123.6–223.3
2094	274254.8–290.2	171.4130.3–220.7
2095	273.5251.8–291.6	179131.6–228.6
2096	273.9252.1–292.5	170.8124.8–233.3
2097	270.8246–292.1	167.2122.2–224.3
2098	271.1248.3–290.6	172.5131.9–226.9
2099	271.8250.5–291.1	171.7126.5–229.1
2100	273.4254–291.9	171.5124.3–228

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

Chad vs Zambia: Tropical nights

What the numbers say

Every year

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