This is the CREATE "ONLINE" editor section.
LDR's can be wired in various ways and come in a multitude of types with different resistances.
Yours seems to be a decent one as its not going too low or high.
What we don't know is how you have it wired.
A schematic (even hand drawn) at this point would be invaluable in diagnosing your issue.
Either that or MAP the value which is a very useful function to learn.