UTC-3:   03   06   09   12   15   18   21   24
mdts    267  267  268  268  268  266  264  262
mdww    308  332  350  341  340  274   11   29
shts    1.5  1.5  1.5  1.4  1.4  1.4  1.5  1.5
shww    0.6  0.4  0.4  0.4  0.4  0.3  0.3  0.3