UTC-3:   03   06   09   12   15   18   21   24
mdts    243  242  243  246  250  257  256  242
mdww    245  257  275  279  250  238  240  246
shts    1.7  1.7  1.5  1.3  1.1  0.8  0.8  1.4
shww    0.7  0.4  0.2  0.2  0.4  1.2  1.5  0.9