UTC-3:   03   06   09   12   15   18   21   24
mdts    265  266  267  268  268  269  268  267
mdww    311  308  323  349    9   16   22  262
shts    1.3  1.7  1.8  1.8  1.8  1.7  1.7  1.8
shww    0.5  0.6  0.5  0.3  0.5  0.7  0.5  0.3