The eastern part of the Congo basin is more mountainous and experiences lower soil moisture mainly due to lower rainfall levels and basin topography. As a whole the basin has high levels of soil moisture which is consistent with the humid climate where even in the dry season daily rain fall is possible.
- Global rainfall for 1985
- Global rainfall for 1986
- Global rainfall for 1987
- Global rainfall for 1988
- Global rainfall for 1989
- Global rainfall for 1990
- Global rainfall for 1991
- Global rainfall for 1992
- Global rainfall for 1993
- Global rainfall for 1994
- Global rainfall for 1995
- Global rainfall for 1996
- Global rainfall for 1997
- Global rainfall for 1998
- Global rainfall for 1999