UTC-3:   03   06   09   12   15   18   21   24
mdts    263  262  262  262  261  260  260  260
mdww    285  286  281  284  289  291  294  312
shts    2.7  2.7  2.6  2.5  2.5  2.4  2.4  2.3
shww    0.8  0.8  0.8  0.7  0.5  0.6  0.5  0.4