One unscheduled event between 8 a.m. and 5 p.m. as of August 24.
One event (for all time periods) for the month of August for a total duration of about 73 minutes.

August 24 from about 3:52 p.m. until about 5:05 p.m. Keystone #135629

One unscheduled event between 8 a.m. and 5 p.m. as of July 14.
One event (for all time periods) for the month of July for a total duration of about 41 minutes.

July 14 from about 4:49 p.m. until about 5:30 p.m. Keystone #129019

May 2005

Zero unscheduled events between 8 a.m. and 5 p.m. as of May 20 .
One event (for all time periods) for the month of May for a total duration of about 45 minutes.

May 19 from about 8:05 p.m. until about 8:50 p.m. Keystone #124304

One unscheduled event between 8 a.m. and 5 p.m. as of April 13 for a duration of approximately 5 minute.
One event (for all time periods) for the month of April for a total duration of about 5 minutes.

April 13 from about 1:19 p.m. until about 1:24 p.m. Keystone #121530

One unscheduled event between 8 a.m. and 5 p.m. as of February 28 for a duration of approximately 1 minute.
Two events (for all time periods) for the month of February for a total duration of about 13 minutes.

February 27 from about 3:40 a.m. until about 3:45 a.m. Keystone #118723
February 19 from about 2:30 p.m. until about 2:38 p.m. Keystone #118297

One unscheduled event between 8 a.m. and 5 p.m. as of January 26 for a duration of approximately 1 minute.
Two events (for all time periods) for the month of January for a total duration of about 9 minutes.

January 30 from about 7:50 p.m. until about 7:58 p.m. Keystone #116793
January 26 from about 8:57 a.m. until about 8:58 a.m.