UTC-3:   03   06   09   12   15   18   21   24
mdts    244  244  245  247  248  247  249  249
mdww    287  287  285  297  287  276  281  278
shts    1.3  1.3  1.2  1.2  1.1  1.1  1.1  1.1
shww    0.3  0.3  0.3  0.2  0.3  0.6  0.5  0.6