UTC-3:   03   06   09   12   15   18   21   24
mdts    259  259  260  260  261  261  261  262
mdww      6    4  347  328  264  333  317  305
shts    1.6  1.6  1.6  1.6  1.5  1.4  1.3  1.2
shww    0.2  0.1  0.0  0.0  0.0  0.1  0.3  0.4