UTC-3:   03   06   09   12   15   18   21   24
mdts    260  259  258  258  258  258  258  259
mdww     27  309  288  316  341  269  202   18
shts    1.7  1.8  1.8  1.8  1.7  1.6  1.4  1.3
shww    0.3  0.2  0.2  0.1  0.0  0.0  0.0  0.0