UTC-3:   03   06   09   12   15   18   21   24
mdts    255  255  256  255  254  253  253  253
mdww     35   30   41   47   50   49   49   45
shts    0.9  0.8  0.8  0.7  0.8  0.8  0.9  1.0
shww    0.0  0.1  0.2  0.3  0.3  0.3  0.3  0.3