UTC-3:   03   06   09   12   15   18   21   24
mdts    256  257  256  256  256  257  257  257
mdww    279  283  293  315  326  308  254  258
shts    1.0  1.0  1.0  1.0  0.9  0.9  0.8  0.8
shww    0.4  0.2  0.1  0.0  0.0  0.0  0.0  0.0