UTC-3:   03   06   09   12   15   18   21
mdts    264  263  261  272  272  268  265
mdww    294  306  270  232  233  235  234
shts    0.5  0.5  0.6  0.5  0.5  0.6  0.7
shww    0.0  0.0  0.0  0.6  1.1  1.5  1.6