I hear babys chirping but the eggs aren't pipping

[Barnard barn yard 77]

We are a day late now in the incubation and only one has pipped and was struggling at that my humidity is 70-80 and I see few eggs rolling and for sure hear on chirping and it's not the one that has pipped but nothing so confused last 4 batches haven't seen this but noticed as it got colder my chicks hatched later

 

[LaFleche]

They will start to chirp approximately one day prior to actually hatching.

I consider 70-80% humidity at hatch as way too high, the chicks will struggle to get enough oxygen, the higher the humidity the less oxygen the air will be able to j ld and provide and they can easily drown/asphyxiate.60-65 % is more than enough at hatch day.

What is your incubator temperature?

 

[Barnard barn yard 77]

99.5 i did dry hatch method till end

 

[LaFleche]

99.5 i did dry hatch method till end

So during the whole time period the temperature was 99.5 F?

Do you have regular sized or bantam eggs?

And what kind of incubator do you use?

 

[Barnard barn yard 77]

Yes 99.5 and copper marans

 

[LaFleche]

Yes 99.5 and copper marans

BCM are known to take 22 or even 23 days as they have to work harder and longer to work their way through the very thick shells.
Were they normal size = 65-75 grams?

 

[Barnard barn yard 77]

Thanks for info on the weight idk still kinda new to this and haven't did any weight

 

[LaFleche]

Thanks for info on the weight idk still kinda new to this and haven't did any weight

For BCM eggs of normal hatching egg size (65-75 g) your 99.5F are a bit too low for the first 17 days, but for days 18-21/22 99.5 F are correct.

Where is your incubator situated (inhouse/Garage)? What is the room temperature?

 

[Barnard barn yard 77]

Incubator same place as last 3 sets of hatching living room house 70 degrees

 

[Barnard barn yard 77]

Now that I think about it close to back door and lately been really cold outside