UTC-3:   03   06   09   12   15   18   21   24
mdts    254  254  255  255  256  257  256  257
mdww    337    7   14   22  272  347  299  271
shts    2.4  2.3  2.1  1.9  1.8  1.7  1.7  1.7
shww    0.0  0.0  0.1  0.5  0.4  0.4  0.7  1.2