UTC-3:   03   06   09   12   15   18   21   24
mdts    121  120  120  120  119  119  119  119
mdww    137  135  138  136  139  139  142  153
shts    2.0  2.0  1.9  1.9  1.9  1.9  1.8  1.8
shww    0.4  0.5  0.4  0.4  0.3  0.3  0.3  0.2