UTC-3:   03   06   09   12   15   18   21   24
mdts    251  251  252  251  252  253  253  254
mdww    238  243  246  259  274  309  332  346
shts    1.3  1.4  1.5  1.5  1.4  1.4  1.3  1.2
shww    0.5  0.3  0.3  0.3  0.4  0.1  0.1  0.2