UTC-3:   03   06   09   12   15   18   21   24
mdts    263  264  264  267  261  262  266  266
mdww    290  274  266  251  259  266  234  242
shts    1.7  1.7  1.8  1.8  2.1  2.1  2.1  1.9
shww    0.6  0.7  0.7  1.0  0.5  0.4  0.9  1.6