UTC-3:   03   06   09   12   15   18   21   24
mdts    251  254  255  255  256  257  260  261
mdww    276  298  328  339  328  299  293  299
shts    1.1  1.2  1.4  1.6  1.7  1.8  2.0  2.0
shww    0.6  0.3  0.3  0.5  0.8  0.9  0.6  0.5