UTC-3:   03   06   09   12   15   18   21   24
mdts    256  258  260  264  267  268  267  264
mdww     24   37   48   47   60   62   82  131
shts    0.6  0.6  0.6  0.6  0.7  0.7  0.7  0.7
shww    0.1  0.2  0.3  0.3  0.3  0.2  0.0  0.0