UTC-3:   03   06   09   12   15   18   21   24
mdts    264  266  267  268  269  269  269  270
mdww    311  311  322  333   74   19   20  263
shts    1.3  1.7  1.8  1.8  1.8  1.7  1.6  1.6
shww    0.5  0.6  0.5  0.4  0.4  0.6  0.7  0.5