UTC-3:   03   06   09   12   15   18   21   24
mdts    244  243  244  246  248  248  249  249
mdww    290  280  276  284  301  283  281  274
shts    1.3  1.2  1.2  1.2  1.2  1.2  1.1  1.1
shww    0.3  0.4  0.5  0.3  0.1  0.1  0.3  0.6