UTC-3:   03   06   09   12   15   18   21   24
mdts    259  259  260  260  261  262  262  261
mdww    340   74   19    9   14   18   44   32
shts    1.2  1.2  1.1  1.1  1.0  1.0  1.0  1.0
shww    0.1  0.1  0.2  0.3  0.3  0.3  0.1  0.1