UTC-3:   03   06   09   12   15   18   21   24
mdts    256  254  250  249  249  250  252  248
mdww    265  261  265  276  279  263  250  248
shts    1.3  1.3  1.3  1.4  1.3  1.2  1.2  1.3
shww    0.6  0.6  0.7  0.6  0.6  0.9  0.7  0.9