UTC-3:   03   06   09   12   15   18   21   24
mdts    258  258  257  256  256  256  256  257
mdww    276  272  280  300  329    7  290  277
shts    1.6  1.5  1.5  1.5  1.5  1.5  1.4  1.3
shww    0.4  0.4  0.3  0.1  0.0  0.0  0.2  0.6