UTC-3:   03   06   09   12   15   18   21   24
mdts    245  242  240  255  263  264  262  260
mdww    238  238  252  234  234  231  228  229
shts    1.5  1.6  1.7  1.1  1.0  1.2  1.3  1.4
shww    1.1  1.1  0.6  1.4  1.9  1.9  1.9  1.9