UTC-3:   03   06   09   12   15   18   21   24
mdts    254  255  255  256  256  257  257  257
mdww     42   38   34   28   23   20   15  356
shts    1.1  1.2  1.2  1.2  1.2  1.2  1.2  1.2
shww    0.3  0.3  0.3  0.3  0.3  0.3  0.2  0.0