UTC-3:   03   06   09   12   15   18   21   24
mdts    254  255  256  257  258  258  259  260
mdww    277  279  281  286  303  328  349    8
shts    1.9  2.0  2.0  2.0  1.9  1.8  1.7  1.7
shww    1.2  1.0  0.8  0.6  0.4  0.2  0.1  0.1