UTC-3:   03   06   09   12   15   18   21   24
mdts    258  257  257  256  256  256  256  257
mdww    279  275  282  312  272   13  342  280
shts    1.6  1.5  1.5  1.5  1.5  1.5  1.4  1.3
shww    0.3  0.3  0.3  0.1  0.0  0.0  0.1  0.4