UTC-3:   03   06   09   12   15   18   21   24
mdts    254  257  259  258  257  257  256  255
mdww    339  271  261  254  259  269  300  325
shts    1.6  1.7  1.8  1.9  2.0  1.9  1.9  1.8
shww    0.0  0.1  0.4  0.3  0.2  0.1  0.0  0.0