Our kitties always seem to want to mess with us right before we go away!
It doesn't say what you gave this morning, was it 6.0 units? If so, then you had only given 6.0 for one dose before that and you would still be seeing results from the 6.5 dose that had built up in the depot.
I am glad you got a mid cycle test during the day today -- 117 is still very safe. I think that you will still be ok on 6.0, but you can always reduce further. Maybe 5.75 if you leave a sample syringe for Mom to compare to, or 5.5 if you would rather her be drawing up to something directly on the syringe.