UTC-3:   03   06   09   12   15   18   21   24
mdts    262  263  263  262  261  262  263  255
mdww    258  292  257  236  237  238  236  237
shts    1.9  1.9  1.8  1.6  1.5  1.4  1.2  1.3
shww    0.0  0.0  0.1  0.4  0.6  1.0  1.3  1.5