UTC-3:   03   06   09   12   15   18   21   24
mdts    264  264  265  266  266  260  262  261
mdww    307  324  319  335  329  284  275  277
shts    1.8  1.8  1.8  1.8  1.7  1.4  1.5  1.7
shww    0.4  0.4  0.5  0.4  0.5  1.3  1.4  1.0