Jupiter from New Horizons (LORRI), Averages of 2007 Jan 8/9, 14/15, 21/22 (two rotations / 20h)
http://pluto.jhuapl.edu/soc/index.php
Minimum/Maximum velocity in running 120° longitude intervals (red/green) and average global velocity (black)
(Please extract the zip archive in your WinJUPOS data directory.)