UTC-3:   03   06   09   12   15   18   21   24
mdts    245  245  239  244  263  264  261  255
mdww    238  238  248  238  234  231  228  229
shts    1.5  1.3  1.6  1.4  1.1  1.2  1.4  1.5
shww    1.1  1.4  0.9  1.4  1.9  1.9  1.9  1.8