UTC-3:   03   06   09   12   15   18   21   24
mdts    250  251  251  252  253  254  254  254
mdww    248  244  260  265  279  313  337  273
shts    1.3  1.3  1.4  1.4  1.4  1.3  1.2  1.1
shww    0.3  0.3  0.1  0.3  0.3  0.1  0.1  0.1