condition	mean	min	max
0 h after light	6.65028	5.30008	8.00048
4 h after light	8.089960000000001	7.63358	8.54634
8 h after light	8.547665	8.42591	8.66942
4 h after dark	7.744025	6.74343	8.74462
8 h after dark	9.377945	8.843	9.91289
12 h after dark	7.14916	6.05086	8.24746