UTC-3:   03   06   09   12   15   18   21   24
mdts    255  255  255  256  256  257  250  254
mdww    261   15   23   25    6  340  285  274
shts    2.5  2.4  2.2  2.0  1.8  1.7  1.4  1.6
shww    0.0  0.0  0.1  0.4  0.3  0.5  1.2  1.6