UTC-3:   03   06   09   12   15   18   21   24
mdts    263  264  265  266  263  262  262  266
mdww    285  275  258  246  256  262  259  237
shts    1.7  1.7  1.8  1.8  2.0  2.1  2.1  2.0
shww    0.6  0.7  0.5  0.9  0.9  0.4  0.4  1.1