Q.dry kumquats
why are my ripe kumquats dry

Certified GKH Gardening Expert
It seems that a kumquat tree takes the water for itself first before sending it to the fruit, so if there has been inconsistent watering, it could result in dry fruit. But another reason could be that the fruit is being left too long on the tree before being picked. This article outlines the best growing conditions for your kumquats: https://www.gardeningknowhow.com/edible/fruits/kumquat/growing-kumquat-trees.htm