UTC-3:   03   06   09   12   15   18   21   24
mdts    119  119  120  121  119  119  119  121
mdww    136  130  122  115  118  122  119  111
shts    1.2  1.2  1.3  1.3  1.4  1.6  1.5  1.4
shww    0.4  0.4  0.4  0.8  0.7  0.3  0.3  0.9