condition	mean	min	max
4 h after light	7.4208735	6.956695	7.885052
8 h after light	7.2702295	6.729081	7.811378
12 h after light	6.932428	6.628551	7.236305
4 h after dark	7.457266499999999	7.091742	7.822791
8 h after dark	7.5766265	6.857493	8.29576
12 h after dark	6.669514	6.669514	6.669514