UTC-3:   03   06   09   12   15   18   21   24
mdts    248  248  247  246  246  247  248  249
mdww    290  251  242  253  257  260  261  269
shts    1.2  1.1  1.1  1.2  1.2  1.4  1.6  1.7
shww    0.0  0.1  0.3  0.2  0.3  0.4  0.5  0.5