UTC-3:   03   06   09   12   15   18   21   24
mdts    265  266  268  268  269  269  269  268
mdww    309  310  322  340    7   24   18  336
shts    1.4  1.7  1.8  1.8  1.7  1.7  1.7  1.8
shww    0.5  0.6  0.5  0.4  0.4  0.7  0.6  0.2