UTC-3:   03   06   09   12   15   18   21   24
mdts    254  255  267  258  246  241  242  243
mdww    231  231  234  231  233  242  246  242
shts    1.3  1.5  1.2  1.5  1.7  1.8  1.7  1.6
shww    1.1  1.2  2.0  2.0  1.6  1.0  0.8  0.9