UTC-3:   03   06   09   12   15   18   21   24
mdts    256  259  260  259  258  257  256  256
mdww     29  290  265  265  257  253  267  346
shts    1.6  1.7  1.9  2.0  1.9  1.9  1.9  1.8
shww    0.0  0.1  0.4  0.2  0.2  0.2  0.0  0.0