UTC-3:   03   06   09   12   15   18   21   24
mdts    248  243  246  246  247  247  249  250
mdww    243  256  252  247  245  256  235  229
shts    1.2  1.6  1.6  1.5  1.5  1.5  1.5  1.5
shww    1.3  0.7  0.4  0.6  0.6  0.2  0.4  0.5