UTC-3:   03   06   09   12   15   18   21   24
mdts    120  119  119  119  121  118  117  119
mdww    140  125  122  127  112  116  117  114
shts    1.3  1.3  1.3  1.5  1.4  1.6  1.6  1.4
shww    0.3  0.5  0.3  0.2  0.8  0.9  0.8  1.1