A/C output temp spec - how cold should it be?

What is your question?

hi, do you have a temp range spec which indicates how cold the lowest output temp at the center vent should be if A/C is working properly? I just had the compressor replaced and my A/C seems not as cold as it was before I needed service. My output temp only goes down to 52 degrees when it is 85 outside. The cabin temp only gets down to 78 ish. Not cold enough for me. I love my old Ford and want to keep it going beyond its 120K miles, but I need to be better chilled. Thanks very much, Christine

How long has your 1997 Ford Explorer had this problem?

a couple weeks