UTC-3:   03   06   09   12   15   18   21   24
mdts    257  257  257  256  250  246  245  245
mdww    148  225  232  237  245  261  285  284
shts    0.8  0.9  0.9  1.0  1.3  1.5  1.5  1.4
shww    0.0  0.0  0.4  0.6  0.6  0.3  0.0  0.1