UTC-3:   03   06   09   12   15   18   21   24
mdts    265  264  263  261  260  259  258  257
mdww    291  277  245  282  279  276  270  264
shts    1.6  1.6  1.6  1.6  1.5  1.5  1.4  1.3
shww    0.4  0.4  0.3  0.1  0.1  0.1  0.2  0.6