UTC-3:   03   06   09   12   15   18   21   24
mdts    251  254  255  257  259  260  262  263
mdww    271  274  279  279  292  305  317  323
shts    1.6  1.6  1.5  1.4  1.3  1.2  1.1  1.1
shww    0.4  0.3  0.2  0.2  0.1  0.1  0.0  0.0