UTC-3:   03   06   09   12   15   18   21   24
mdts    256  254  254  254  256  258  259  260
mdww    311  294  282  282  287  309  341   20
shts    1.3  1.2  1.2  1.2  1.2  1.2  1.2  1.2
shww    0.1  0.3  0.6  0.5  0.4  0.2  0.0  0.0