UTC-3:   03   06   09   12   15   18   21   24
mdts    244  236  254  249  248  252  254  254
mdww    273  264  255  256  260  263  270  292
shts    1.1  0.5  1.7  2.4  2.3  2.4  2.5  2.5
shww    2.0  2.8  2.7  2.1  2.0  1.3  0.7  0.2