UTC-3:   03   06   09   12   15   18   21   24
mdts    246  244  246  247  247  248  249  250
mdww    246  263  263  241  243  241  235  229
shts    1.4  1.5  1.5  1.4  1.4  1.5  1.4  1.4
shww    0.9  0.4  0.2  0.5  0.4  0.4  0.3  0.4