UTC-3:   03   06   09   12   15   18   21   24
mdts    232  234  240  253  257  258  257  244
mdww    109  109  109  110  111  111  112  116
shts    1.0  1.0  0.9  0.9  0.9  0.9  0.8  1.0
shww    2.0  1.9  1.9  1.9  1.9  1.8  1.5  1.0