UTC-3:   03   06   09   12   15   18   21   24
mdts    247  246  245  244  244  244  244  247
mdww    258  243  262  255  283  290  332  275
shts    1.8  1.7  1.6  1.6  1.4  1.3  1.2  1.2
shww    0.2  0.3  0.1  0.0  0.0  0.1  0.0  0.2