UTC-3:   03   06   09   12   15   18   21   24
mdts    247  247  247  247  248  249  249  248
mdww    261  251  247  262  256  255  246  251
shts    1.2  1.2  1.2  1.3  1.3  1.5  1.6  1.8
shww    0.0  0.1  0.2  0.1  0.3  0.4  0.5  0.4