UTC-3:   03   06   09   12   15   18   21   24
mdts    252  252  252  254  255  256  253  249
mdww     90  111  117  133  158  228  238  259
shts    1.4  1.3  1.3  1.4  1.5  1.6  1.7  1.8
shww    0.0  0.1  0.0  0.1  0.1  0.2  0.5  0.3