UTC-3:   03   06   09   12   15   18   21   24
mdts    268  271  272  272  264  265  263  264
mdww    325  310  337  340  284  276  280  282
shts    0.9  1.0  1.1  1.2  1.0  1.6  2.2  2.6
shww    0.5  0.5  0.3  0.3  1.3  1.6  1.4  1.0