UTC-3:   03   06   09   12   15   18   21   24
mdts    262  263  263  263  262  261  257  256
mdww    302  332  206   89  107  251  266  282
shts    1.2  1.1  1.0  1.0  1.0  1.1  1.2  1.3
shww    0.1  0.1  0.1  0.0  0.1  0.3  0.3  0.4