UTC-3:   03   06   09   12   15   18   21   24
mdts    293  263  253  252  254  256  258  262
mdww    262  254  267  267  273  281  283  288
shts    0.6  1.5  2.1  1.7  1.7  1.7  1.6  1.8
shww    2.2  2.5  1.5  1.3  1.2  1.1  1.0  0.8