UTC-3:   03   06   09   12   15   18   21   24
mdts    242  244  246  248  251  253  254  255
mdww    246  246  262  278  342    4   12   53
shts    1.2  1.1  1.0  0.9  0.8  0.7  0.7  0.6
shww    0.6  0.5  0.2  0.2  0.0  0.0  0.0  0.0