UTC-3:   03   06   09   12   15   18   21   24
mdts    259  261  263  264  266  265  266  267
mdww    300  287  290  294  300  297  296  309
shts    1.3  1.2  1.2  1.3  1.3  1.3  1.4  1.6
shww    0.2  0.3  0.4  0.4  0.5  0.8  0.7  0.4