Lights seen in Phoenix, AZ back in the late 1980's.

Only Lights  Story 1:  In the late 1980's I worked at a banking processing center here in Phoenix, AZ, (Bell Road and the I-17), on the night shift.  It was common for us to finish our work midnight or later, then hang around in the parking lot for some time chatting afterwards.  Due to the type of work we were doing, it was only breaks and non-work time that would provide us a chance to talk.
One night, after mid-night, we must have stood around talking for nearly 45-60 minutes.  The entire time it looked as if there was a light cloud cover over head and behind the clouds were single lights that slowly came on and then faded off.  It seemed to cover the whole sky directly over head and had been going on when we got out there and continued on when we all left. We all saw it.  Commented on it.  Wondered what it was. But never once...at least not until the next day... did any of us think of it in terms of "UFO's".  Then of course, it was a done deal and no one knew what else to do with the information.
Story 2: I worked at this site for about 11 years.   Every night at break, 8-8:30PM, I would walk the perimeter of the business park, since we did a lot of sitting for the job.  Another night...and I wish I could remember how much later it was, as it could have been months or years...I just don't know.... I was out walking and looked to the western sky, it must have been close to summer as the sky was still a little lit up.
What I saw was similar to the earlier light(s), except the was only one cloud in the sky and as I watched it, it looked to have a light behind it.  Like someone was holding a giant flashlight behind a cloud. The odder part was, as I watched, the cloud began to shrink and the light faded with it until the sky was clear of any cloud, or light in about 5 minutes or less.
There was a co-worker, who was off that night, who I mentioned this to the next day when we were together.  She had been out walking with her husband and said she saw the same thing around the same time...however, she saw it in the northwestern sky, not the western sky,  like I had.  And she lived further north of where we worked.
Neither of us had any of the classic symptoms, like lost time or lost memory.  Never saw any craft or movements, other than the fading on and off of the lights both times.  Unfortunately, I haven't seen anything like that since.  Yet, I have heard of folks who say they see lights over the White Tank Mountains to the west of the valley all the time.
Witness indicates that the date is approximate.  PD