UTC-3:   03   06   09   12   15   18   21   24
mdts    237  233  251  245  250  253  254  253
mdww    267  265  263  266  271  273  282  298
shts    0.7  0.8  1.8  2.0  2.4  2.6  2.7  2.7
shww    2.2  2.6  2.2  2.1  1.5  1.1  0.7  0.4