UTC-3:   03   06   09   12   15   18   21   24
mdts    255  255  255  256  255  254  254  254
mdww     27   31   29   33   35   36   38   36
shts    0.9  0.8  0.8  0.8  0.8  0.9  1.0  1.1
shww    0.1  0.2  0.3  0.3  0.4  0.3  0.3  0.3