UTC-3:   03   06   09   12   15   18   21   24
mdts    246  253  256  258  257  256  255  232
mdww     98   96   98  106  111  114  115  135
shts    1.0  1.0  1.0  1.0  0.9  0.9  0.8  1.0
shww    0.5  0.5  0.5  0.7  1.1  1.4  1.1  0.5