UTC-3:   03   06   09   12   15   18   21   24
mdts    256  258  260  259  258  257  256  255
mdww    266  272  257  244  250  260  284  317
shts    1.7  1.8  1.9  2.0  2.0  2.0  1.9  1.9
shww    0.0  0.1  0.5  0.6  0.3  0.2  0.0  0.0