UTC-3:   03   06   09   12   15   18   21   24
mdts    254  256  260  261  262  266  267  264
mdww    265  272  278  276  275  266  264  283
shts    1.0  1.0  1.0  1.1  1.2  1.3  1.7  2.0
shww    0.4  0.6  0.5  0.6  0.8  1.0  1.0  0.5