In one of the houses I go to, yesterday was really busy with families and such doing open, and cheap bowling all day.
I only got a single lane and boy was it dry. I'm guessing they didn't even bother to waste time time and money for oiling as no leagues were taking place (holiday) and it's all mainly recreational bowlers.
It was fun but very humbling. I'm not one to blame the lanes because they are what they are and it's up to the bowler to bowl, I believe. And if that involves playing a urethane ball up and in, so be it.
As for having an odd pair like that, that must have been fun! You got to use more and more of your equipment!

My guess is that they had a lot of open bowling and you got an abused lane and one that wasn't used much.