UTC-3:   03   06   09   12   15   18   21   24
mdts    255  255  255  256  256  257  237  255
mdww    332  204   21   20  342  355  270  275
shts    2.5  2.4  2.2  2.0  1.8  1.8  0.9  1.7
shww    0.0  0.0  0.1  0.4  0.4  0.3  1.8  1.4