It's all good. We are all trying to help and we all have the same goal. Beautiful clear pool water.
+1Yes, that is normal. Chlorine is lost to the sun as a percentage of the total chlorine. The higher the FC the higher the loss. Once you pass the 3 SLAM criteria then let your FC drop back to normal and your daytime loss will reduce dramatically.
Pass OCLT
CC < 0.5
Clear water, no algae