UTC-3:   03   06   09   12   15   18   21   24
mdts    262  263  263  262  261  262  263  249
mdww    256  285  265  243  240  236  237  243
shts    1.9  1.9  1.8  1.7  1.6  1.4  1.3  1.5
shww    0.0  0.0  0.0  0.1  0.3  0.8  1.2  0.9