UTC-3:   03   06   09   12   15   18   21   24
mdts    242  244  244  248  251  253  254  254
mdww    247  248  266  273  313  352  323  333
shts    1.2  1.1  1.0  0.9  0.8  0.7  0.7  0.6
shww    0.6  0.4  0.4  0.2  0.0  0.0  0.0  0.0