UTC-3:   03   06   09   12   15   18   21   24
mdts    259  261  262  263  265  266  266  266
mdww    287  296  289  293  298  307  309  303
shts    1.3  1.3  1.3  1.3  1.3  1.3  1.3  1.4
shww    0.3  0.2  0.4  0.4  0.4  0.4  0.5  0.6