UTC-3:   03   06   09   12   15   18   21   24
mdts    242  244  246  249  251  254  255  255
mdww    247  254  259  269  315  338  345  350
shts    1.2  1.1  1.0  0.9  0.8  0.7  0.7  0.7
shww    0.6  0.4  0.3  0.2  0.0  0.0  0.0  0.0