Objective: To investigate the influence of environmental variables on daily mortality, due to respiratory and cardiovascular diseases, in the C.M. from 1986 to 1991.
Methodology: The environmental and mortality variables are correlated between cold and heat effects, checking the possible coincidence of models between temperature and mortality by Box-Jenkins models. The filtered mortality is correlated to the daily average temperatures, for 0-15 lags.
Results: The minimum daily mortality is produced in an average temperature of 23.9 degrees. There exists a correlation (p < 0.001) between cold temperature and all the mortality causes in the 15 analysed lags. A correlation (p < 0.01) to vascular diseases appears with hot temperature and, among them, with cerebrovascular accidents (ACVA) in women for 0-3 lags.
Conclusions: Cold temperatures increase the mortality for all the analysed lags and causes. The heat produces immediate effects on the mortality by ACVA in women.