condition	mean	min	max
4 h after light	5.931063333333333	5.707669999999999	6.0853
8 h after light	6.0136400000000005	5.4789900000000005	6.73203
12 h after light	5.6292366666666664	4.9629	6.19455
4 h after dark	5.138256666666666	4.76967	5.56809
8 h after dark	5.04636	4.70886	5.54676
12 h after dark	4.943146666666666	4.8214	5.038119999999999