Did you read mine? I wasn't sure what you meant by "bucket test" and said so. And I'm not so sure it applies due to the physics involved. The pool has a bigger surface area, hence more water will evaporate, especially if there's a breeze.
Then there's the issue of how warm the bucket is vs the pool.
I find it hard to believe you don't see signs of 90 gal/day in the yard.