UTC-3:   03   06   09   12   15   18   21   24
mdts    264  264  265  266  267  264  264  263
mdww    308  316  325  339  321  280  281  285
shts    1.8  1.7  1.7  1.7  1.7  1.5  1.7  1.8
shww    0.3  0.5  0.5  0.4  0.5  1.3  0.9  0.8