UTC-3:   03   06   09   12   15   18   21   24
mdts    249  251  252  255  258  260  262  264
mdww    264  259  297  280  297  313  321  318
shts    1.7  1.6  1.5  1.4  1.2  1.1  1.1  1.0
shww    0.2  0.1  0.0  0.1  0.1  0.0  0.0  0.0