UTC-3:   03   06   09   12   15   18   21   24
mdts    253  254  263  256  247  242  242  241
mdww    230  227  232  231  234  241  246  245
shts    1.4  1.5  1.3  1.6  1.7  1.7  1.7  1.6
shww    1.0  1.0  1.7  1.8  1.5  1.2  0.9  0.9