I have noticed that some breeds lay in spurts, where for a period of time they lay an egg nearly every day. Ducks are like that too. These breeds usually start later and stop earlier than the "laying breeds" like Welbars and Legbars. I don't keep such good records of individual hens, but in some cases I can tell because of egg color or separate confinement.
Right now I am getting loads of Ameraucana eggs and eating most of them because there is little demand, even for sexed chicks. The confusion with hatchery Ameraucanas has devalued the real one for many people.
This is likely to be my last year with large fowl Ameraucanas. I will keep the bantams, and maybe the Mottleds if they should happen to do better this year than previous years.