UTC-3:   03   06   09   12   15   18   21   24
mdts    249  247  247  247  246  245  245  245
mdww    229  225  245  256  286  272  262  271
shts    1.6  1.7  1.7  1.7  1.6  1.5  1.4  1.3
shww    0.4  0.2  0.0  0.0  0.0  0.0  0.0  0.0