UTC-3:   03   06   09   12   15   18   21   24
mdts    241  230  253  249  249  253  254  254
mdww    272  264  257  260  265  266  274  300
shts    1.0  0.5  2.0  2.3  2.4  2.5  2.6  2.5
shww    2.1  3.0  2.4  2.1  1.9  1.3  0.7  0.2