UTC-3:   03   06   09   12   15   18   21   24
mdts    263  266  267  268  269  269  269  269
mdww    312  309  323  336    2   19   24  269
shts    1.3  1.6  1.8  1.8  1.8  1.7  1.6  1.7
shww    0.5  0.6  0.5  0.4  0.4  0.6  0.7  0.4