UTC-3:   03   06   09   12   15   18   21   24
mdts    258  257  256  255  255  255  256  257
mdww    270  290  258  272  203  205    9    6
shts    1.5  1.5  1.3  1.2  1.1  1.0  0.9  0.8
shww    0.5  0.2  0.0  0.0  0.0  0.0  0.0  0.0