LHO's second-Saturday public tour occurred on the afternoon of 10/10.  Arrival time at LSB = 1:00 - 1:30 PM.  Departure time = 3:30 PM.  Group size = ~30 adults.  Vehicles at the LSB = ~15 passenger cars.  The group was on the overpass near 2:50 PM and in the control room from about 3:10 to 3:30.  Site winds picked up substantially near 2:30 PM.