UTC-3:   03   06   09   12   15   18   21   24
mdts    261  255  251  256  273  270  264  245
mdww    254  255  254  247  233  234  234  238
shts    0.5  0.6  0.7  0.6  0.5  0.6  0.7  1.0
shww    0.1  0.1  0.1  0.2  0.9  1.3  1.4  1.3