UTC-3:   03   06   09   12   15   18   21   24
mdts    238  236  238  244  252  242  183  182
mdww    108  107  107  107  107  106  106   91
shts    1.0  1.0  0.9  0.9  0.9  1.0  1.2  1.2
shww    2.2  1.9  1.8  1.6  1.5  1.2  0.6  0.2