Your recall isn't really in your control so it's nothing to freak out about.

However what you can do is to observe the things that are in your control such as your bedtimes, the way you fall asleep or just how stressed you might be feeling.
Also observe the way you wake up before recalling your dreams. I used to go to bed early, sleep at regular times but then I had an alarm clock that I snoozed with and that little waking time between the awakening and the snooze made me forget everything that I had dreamt.

So experiment and see if you notice any difference and also think about what you might have changed.