I just finished building a .70 acre pond. It's about 20 feet at the deepest point. The present water level is up around 4 feet. I've lost around 2.5" to 3" over the last two weeks. Temperatures during the day have been mid sixties to mid seventies, with a few days in the fiftys. Sunny 50% of this two week time frame. I hope this is evaporation? Any input would be appreciated. I live in East Texas...........