UTC-3:   03   06   09   12   15   18   21   24
mdts    258  259  260  260  261  261  261  261
mdww    243  223   47   17   82   53  161  149
shts    0.9  0.9  1.0  1.0  1.0  1.0  1.0  1.0
shww    0.1  0.0  0.0  0.0  0.0  0.0  0.0  0.0