That's an excellent question that you ask. Moon phases can play a part in an elks activity and it's vocalness. I've noticed over the years that about six days after the full moon the vocalness of the bulls picks up considerably. I understand that you can't plan your hunt around weather changes but personally I put more stock in weather changes rather than the moon phases. But I say regardless of moon or weather you can still get in contact with the elk with certain types of bugles or cow calling. Even when elk aren't vocal you can find interest with certain calls that can bring them in. Such as a lost cow call which can really get an elks attention when nothing else is working. So if the moon phases don't pan out don't feel that all is lost. Enjoy your out of state hunt.
elknut1

www.elknut.com
Bugling Bulls & Beyond!