UTC-3:   03   06   09   12   15   18   21   24
mdts    254  255  255  255  255  257  256  257
mdww    331  203   13   25  322  315  275  277
shts    2.4  2.2  2.1  1.9  1.7  1.7  1.5  1.8
shww    0.0  0.0  0.1  0.5  0.5  0.6  1.3  0.9