The quality of the statistics of precipitations
makes it possible to take into account the fluctuations
high frequencies of precipitations of the station of
BOKETA. ¶Preliminary studies showed that the rainfall
graphs describe clearly that in this station, two great
seasons ago with the presence of the peaks in October
and April what explains the passage of the sun to the
zenith at the time of the equinox following the example
decade 2000-2009 when October had to collect 401,4 mm
of water.¶This article aims to study the rainfall indices
for each decade of 1960 to 2018 to prevent with the risks
related to the climatic change and in addition, the
evolution of the characteristics of the rain.
Climate, Rainfall Index, Precipitations, Congo River.