Pegs slip almost all the way down without hammering?

I just unpacked the inspector kit, and the pegs in this box slide almost all the way down when gently dropped into the holes. Some of them stand up a little higher (only with extra effort in letting go of them ever so gently when placing), but most just need one slight tap with the hammer to be fully in.

Is it supposed to be this way? Could the fact that it’s still cold from sitting on my porch have something to do with it?