UTC-3:   03   06   09   12   15   18   21   24
mdts    119  119  120  120  120  120  120  118
mdww    130  132  123  117  116  111  113  114
shts    1.2  1.3  1.4  1.4  1.5  1.4  1.3  1.5
shww    0.5  0.4  0.3  0.4  0.5  0.6  1.2  1.1