UTC-3:   03   06   09   12   15   18   21   24
mdts    263  262  262  262  261  260  260  260
mdww    287  285  289  286  290  290  298  321
shts    2.7  2.7  2.6  2.5  2.5  2.4  2.4  2.3
shww    0.8  0.9  0.7  0.7  0.6  0.6  0.5  0.3