UTC-3:   03   06   09   12   15   18   21   24
mdts    251  251  251  252  256  255  253  250
mdww     77  109  110  125  156  231  232  201
shts    1.5  1.4  1.4  1.4  1.6  1.7  1.7  1.8
shww    0.0  0.0  0.0  0.1  0.1  0.0  0.2  0.1