UTC-3:   03   06   09   12   15   18   21   24
mdts    270  265  251  251  254  256  257  251
mdww    245  238  242  264  292  328  349  281
shts    1.6  1.9  2.4  2.4  2.2  2.0  1.8  1.3
shww    2.2  2.3  1.3  0.7  0.3  0.1  0.3  1.1