UTC-3:   03   06   09   12   15   18   21   24
mdts    255  257  258  258  258  257  257  256
mdww    284  306  304  287  308  347    7   33
shts    1.0  1.0  1.1  1.1  1.1  1.0  1.0  0.9
shww    0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0