UTC-3:   03   06   09   12   15   18   21   24
mdts    252  248  245  244  246  248  250  251
mdww    230  230  229  241  265  319   28   71
shts    1.5  1.7  1.8  1.9  1.8  1.7  1.6  1.5
shww    1.6  1.4  1.1  0.5  0.2  0.0  0.0  0.0