UTC-3:   03   06   09   12   15   18   21   24
mdts    243  240  238  241  244  246  244  239
mdww    180  186  264  242  240  235  235  237
shts    1.0  1.0  1.1  1.1  1.2  1.3  1.2  1.4
shww    0.0  0.0  0.0  0.2  0.7  1.1  1.2  1.2