UTC-3:   03   06   09   12   15   18   21   24
mdts    264  264  264  265  266  265  265  265
mdww    287  286  286  293  304  307  307  301
shts    1.8  1.8  1.9  2.0  2.0  1.9  1.8  1.7
shww    0.9  1.0  1.0  0.7  0.4  0.3  0.2  0.2