DANTAS, A. A. A.; CARVALHO, L. G. de.; FERREIRA, E.
Resumen:
The purpose of this study was to evaluate the observed climatic data of the last 14
years of monthly rainfall and temperatures in Lavras, MG region, comparing with those of the
historical series of 1961-1990 period. The Thornthwaite's water balance method was employed for
the climatological data of 1961-1990 and for the last observed data of 1991-2004, than used on the
Thornthwaite's climatic classification method, to determine the moisture index and the aridity index
of the climate. The climatic formula over those periods changed from B3 r B’3 a’ to B2 r B’3 a’.
The Köppen climatic classification method, also employed in this work, showed that this
classification do not changed, remaining the same for both periods, Cwa.