I have been picking and eating Black Missions from the neighborhood and they appear smaller than last year.....????  I also found a Celeste like mine but smaller. The difference on my Celeste is that its an older tree about 20 years old and the new one I found appears to be about around 7 to 10 years old.  So, is it the age, the watering, the amount of sun. Or is it all DNA, some Celeste trees are programmed to make smaller or bigger figs. Thanks for your Input, I am a Newbie....LOL

Very interesting i found a tree yesterday that looked like a mission but the fruit seemed smaller. I know the brebas were huge around here.

My daughters Mission had large Brebas and decent size Main Crop. I found a large Conadria tree in Visalia....will see if I can get cuttings in the fall.

The Celeste here in Central Arkansas have been very small this year. Maybe because the spring was so wet and cool?

Armando, I think there is a big fig growing nursery called Visalia Nursery?
I am growing 2 Missions from their grown 5 Gallon figs, the nursery in my neighborhood had just received them and the guy was cutting the suckers , so I asked him and he gave 'em to me.

Coming back to your observation about this years' fig sizes...I have been hearing people here ( in my area) talk about this years production being smaller.
Might be a weather related? I don't know.

Armando,
Celeste, or the sugar fig as it's known in parts of the south is extremely widespread. There most likely is a lot of diversity among the Celeste trees as there are just so many of them. A lot of things can effect the size of figs, and as Celeste was breed by just about every breeding program, there are a boat load of genetically varied figs all carrying the name Celeste. On top of that there are all sorts of "Improved " Celestes. 
My different figs vary in size and ripening times from year to year. For example I have 3 large Ronde de Bordeaux's and for the last couple of years one of them has produced ripe figs a week or week and a half earlier then the others. I have the same situation with my Col de Dame Noirs and one of them is very very productive compared to the other 2. My Lemon figs are huge (100 grams) compared to last year's (60 grams) crop. My Hardy Chicagos are ripening 10 days earlier then last year, etc. There are a lot of things that can effect the fig trees and their fruit, just like apples, peaches, cherries, etc. 
I'm sure there is a genetic component to size, etc. but the environmental factors have a cause and effect relationship as well.

Thank you everyone for their response....yes their probably is many factors. The biggest difference is the heat for all these months.

As far as my Celestes, I think getting enough water while the figs are developing and proper fertility will produce larger figs.

Aaron: Visalia has a lot of nurseries, there isn't much here, that have a lot of fig trees. Most grow Black Missions, most people get there fig trees at Home Depot or Lowes. The best varieties are found in Fresno.

Hi armando93223,
I would blame it on fertilizer and water.
Sometimes a tree gets shaded or overgrown by a nearby tree and this affects the yield as well.
Some not pruned trees will shade themselves resulting in poor fruit quality.
Most of the time, a bigger harvest will result in smaller fruits. Were the trees more loaded this year (normally yes, because the tree is bigger so it can set more fruit) ?

As for Celeste, if the trees are not sisters or closely related, although looking the same, they could be from different lineage, and expose some differences.
I have an on-going experiment on a portion of a tree that survived the cold 2012's Winter. I still don't get why that that portion of the tree survived when the roots and canopy died. Some sister-trees died in the close vicinity died as well.
I'm hoping those cells were more cold hardy and that this will now be part of that new tree. I took its first brebas some 10 days ago and for now the figs seem consistent to the original strain.

This year is very dry in CA, the figs are smaller, the persimmons are smaller and fewer of them.
The water table is much lower too.
Heat and no water, I would say.

By DNA a Celeste is a Celeste is a Celeste. But different "strains" have different characteristics, and throw in different climate and water and fertilizer, as they vary from year to year, and tree to tree, and they are different. I have a different variety that did something this season that is has never ever done in 30 years.

Thanks Again everyone...... So a Celeste is a Celeste......Sounds Good.