condition	mean	min	max
4 h after light	6.16658	5.659789	6.673371
8 h after light	6.9831465	6.731632	7.234661
12 h after light	7.242585	7.133958	7.351212
4 h after dark	6.6859325	6.322985	7.04888
8 h after dark	6.584674	6.149029	7.020319
12 h after dark	7.309376	7.309376	7.309376