UTC-3:   03   06   09   12   15   18   21   24
mdts    243  243  245  247  248  248  248  248
mdww    283  283  285  300  329  283  268  274
shts    1.4  1.3  1.3  1.2  1.2  1.1  1.1  1.0
shww    0.4  0.4  0.3  0.2  0.0  0.2  0.6  0.7