UTC-3:   03   06   09   12   15   18   21   24
mdts    244  241  243  244  243  246  249  251
mdww    225  216  239  263  244  237  240  256
shts    1.1  1.1  1.1  1.1  1.1  1.0  1.0  1.0
shww    0.2  0.1  0.0  0.0  0.1  0.2  0.2  0.0