UTC-3:   03   06   09   12   15   18   21   24
mdts    121  120  120  120  120  119  119  119
mdww    136  136  133  135  138  139  141  150
shts    2.0  2.0  1.9  1.9  1.9  1.8  1.8  1.7
shww    0.4  0.4  0.5  0.4  0.3  0.3  0.3  0.2