UTC-3:   03   06   09   12   15   18   21   24
mdts    256  255  255  254  253  253  254  254
mdww    289  350  355  335  267    8   19   14
shts    0.8  0.8  0.7  0.7  0.7  0.7  0.7  0.7
shww    0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.1