Last year after the days got longer. Iv was getting 10-13 eggs a day. I have 16 hens. 1 have a batch of chickens that are 2 years & 1 years. Now this summer I'm getting 5-7 eggs a day. Although our weather has been kinda up & down in temp. We have a few days off 70's, high 80's to few days high 90's to 100. Does fluctuation of the weather cause then not to lay very many? I was anxious to get the eggs I was getting last year. But kinda confused when started not getting as many this year. What would be the cause?