UTC-3:   03   06   09   12   15   18   21   24
mdts    239  242  246  252  256  253  243  240
mdww    107  107  107  108  110  110  109  113
shts    1.0  0.9  0.9  1.0  1.0  0.9  0.9  0.9
shww    2.1  1.9  1.8  1.8  1.8  1.6  1.3  0.9