UTC-3:   03   06   09   12   15   18   21   24
mdts    249  252  254  255  257  258  261  262
mdww    272  286  320  325  322  315  300  294
shts    1.1  1.3  1.5  1.6  1.7  1.8  2.0  2.0
shww    0.8  0.5  0.3  0.6  0.8  1.0  0.7  0.7