UTC-3:   03   06   09   12   15   18   21   24
mdts    248  246  245  245  247  248  244  238
mdww    244  240  263  241  235  233  233  236
shts    0.9  0.9  1.0  1.0  1.1  1.1  1.3  1.4
shww    0.0  0.0  0.0  0.2  0.6  1.2  1.2  1.3