UTC-3:   03   06   09   12   15   18   21   24
mdts    249  250  252  253  254  254  255  256
mdww    288  313  273   20   44  108  117  116
shts    0.9  0.8  0.8  0.7  0.7  0.7  0.7  0.8
shww    0.1  0.0  0.0  0.0  0.0  0.0  0.0  0.0