Table 2 Temperature and precipitation changes in 2016–2025 and 2026–2035 relative to the baseline period (1961–1990) and in the 2020s relative to the present decade (2006–2015) in the subbasins of the Chari-Logone River basin.

From: Analysis of climate variability, trends, and prediction in the most active parts of the Lake Chad basin, Africa

Temperature (°C)

Logone basin

Chari basin above Sarh

Bahr Salamat basin

Ouham basin

Chari basin below Sarh

Chari-Logone basin

Absolute CRU 1961–1990

26.2

26.3

26.6

26.2

27.8

26.6

FD (2016–2025)

0.39

0.70

1.28

0.12

0.77

0.65

SD (2026–2035

0.65

1.02

1.63

0.34

1.03

0.93

Absolute CRU 2006–2015

26.8

27.3

27.8

26.6

28.6

27.4

2020 s (2021–2030)

−0.13

−0.16

0.10

−0.33

0.03

−0.10

Precipitation

Absolute CRU 1961–1990 (mm)

1044

1006

628

1184

685

938

FD (2016–2025) (%)

−0.2

−4.9

−12.6

−0.1

−3.5

−3.9

SD (2026–2035) (%)

−3.4

−4.5

−7.8

−5.4

−3.1

−4.9

Absolute CRU 2006–2015 (mm)

1120

1078

725

1273

776

1021

2020 s (2021–2030) (%)

−10.1

−14.2

−24.7

−9.9

−19.1

−14.4

  1. FD First decade, SD Second decade, CRU Climate Research Unit.