UTC-3:   03   06   09   12   15   18   21   24
mdts    242  242  242  243  243  244  244  244
mdww    244  243  249  265  263  266  271  275
shts    1.5  1.6  1.6  1.5  1.4  1.3  1.2  1.1
shww    0.8  0.7  0.5  0.3  0.2  0.2  0.2  0.2