UTC-3:   03   06   09   12   15   18   21   24
mdts    121  122  122  122  122  122  122  122
mdww    151  149  154  160   92    7    4  165
shts    1.0  1.2  1.2  1.2  1.1  1.1  1.1  1.1
shww    0.3  0.3  0.3  0.2  0.3  0.4  0.3  0.1