UTC-3:   03   06   09   12   15   18   21   24
mdts    259  257  256  256  257  259  260  260
mdww    305  288  282  282  283  302  341   16
shts    1.2  1.1  1.1  1.1  1.2  1.2  1.2  1.2
shww    0.2  0.5  0.6  0.6  0.5  0.2  0.0  0.0