UTC-3:   03   06   09   12   15   18   21   24
mdts    259  262  263  264  265  266  267  267
mdww    291  304  291  301  305  310  300  316
shts    1.3  1.3  1.2  1.2  1.3  1.3  1.3  1.4
shww    0.3  0.2  0.4  0.3  0.4  0.6  0.6  0.3