UTC-3:   03   06   09   12   15   18   21   24
mdts    256  255  251  250  250  250  252  249
mdww    266  265  261  274  284  271  252  247
shts    1.3  1.3  1.3  1.3  1.3  1.2  1.2  1.2
shww    0.4  0.3  0.6  0.5  0.5  0.7  0.7  0.9