UTC-3:   03   06   09   12   15   18   21   24
mdts    119  119  119  120  120  120  120  120
mdww     15   21   15   90  163    2   15   18
shts    1.0  0.9  0.8  0.8  0.7  0.7  0.7  0.7
shww    0.0  0.0  0.0  0.1  0.1  0.0  0.0  0.0