UTC-3:   03   06   09   12   15   18   21   24
mdts    264  263  262  261  262  261  260  259
mdww    305  299  287  279  306  339  356   12
shts    1.0  1.1  1.1  1.1  1.2  1.3  1.3  1.2
shww    0.1  0.2  0.2  0.1  0.0  0.0  0.0  0.0