Water Cube
The 1924 Summer Olympics were the first to use the standard 50 meter pool with marked lanes. In the freestyle, swimmers originally dived from the pool walls, but diving blocks were incorporated at the 1936 Summer Olympics. --from wikipedia
it is 3 metres deep.
The Beijing National Aquatics Center is better known as "the Water Cube" (水立方), built alongside Beijing National Stadium in the Olympic Green for the swimming competitions of the 2008 Summer Olympics.
the rate a pool evaporates at depends on the relative humidity. If the climate in summer in your area has a low relative humidity and it is hot you Will tend to lose more water. You must keep in mind also the fact that in the Summer the pool is used and with people going in and out of the water there is also a loss created.
swimming pool
Water Cube
79 to81 degrees
78 degrees
50 meters.
water cube
8