UTC-3:   03   06   09   12   15   18   21   24
mdts    243  244  246  247  247  249  249  249
mdww    282  282  284  298  285  283  280  275
shts    1.3  1.3  1.2  1.2  1.1  1.1  1.1  1.0
shww    0.4  0.4  0.3  0.2  0.4  0.3  0.5  0.7