condition	mean	min	max
4 h after light	5.670523333333333	5.47277	5.9478599999999995
8 h after light	5.52352	5.39904	5.65787
12 h after light	5.51153	5.2206	5.87833
4 h after dark	5.62153	5.55127	5.72426
8 h after dark	5.6054	5.26541	5.9017599999999995
12 h after dark	5.57451	5.46021	5.758830000000001