UTC-3:   03   06   09   12   15   18   21   24
mdts    113  113  113  116  115  115  115  115
mdww    115  117  115  111  111  110  108  108
shts    1.5  1.4  1.3  1.0  1.2  1.3  1.5  1.5
shww    0.7  0.5  0.6  1.3  1.5  1.4  1.2  1.0