bubbas wrote:
Today, I went back and measured the current for all the lights. All
were from about 20-27 mA. I then increased resistance for each one
until current was from about 13-16 mA. There was slight dimming, but I
think still acceptable. I'll find out for sure after dark.
...

That's really good. If the dimming was only slight and it's acceptable,
your bulb life will be greatly extended. How much, exactly, I couldn't say.

Bob