UTC-3:   03   06   09   12   15   18   21   24
mdts    120  120  120  121  121  120  120  120
mdww    136  135  135  142  148  150  149  149
shts    1.3  1.3  1.3  1.4  1.4  1.3  1.2  1.2
shww    0.5  0.5  0.6  0.4  0.2  0.2  0.1  0.1