UTC-3:   03   06   09   12   15   18   21   24
mdts    260  259  259  260  257  257  258  258
mdww    272   24  265  246  265  276  285  284
shts    2.2  2.1  2.0  1.9  2.0  1.9  1.8  1.7
shww    0.2  0.3  0.5  1.3  0.8  0.4  0.2  0.2