UTC-3:   03   06   09   12   15   18   21   24
mdts    260  261  261  261  261  261  261  262
mdww      9  357  276  331  344  331  318  307
shts    1.5  1.5  1.6  1.6  1.6  1.5  1.4  1.2
shww    0.2  0.0  0.0  0.0  0.0  0.0  0.2  0.4