UTC-3:   03   06   09   12   15   18   21   24
mdts    255  255  256  256  256  257  257  257
mdww     76   95   81   24   22   28   38   23
shts    1.0  1.1  1.1  1.1  1.1  1.1  1.1  1.1
shww    0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0