UTC-3:   03   06   09   12   15   18   21   24
mdts    264  263  261  260  260  260  259  258
mdww    302  297  290  278  299  325  342    9
shts    1.0  1.1  1.1  1.2  1.3  1.3  1.3  1.3
shww    0.1  0.2  0.2  0.2  0.0  0.0  0.0  0.0