condition	mean	min	max
4 h after light	5.4707550000000005	5.12775	5.81376
8 h after light	5.0704899999999995	5.06835	5.07263
12 h after light	5.45182	5.44589	5.45775
4 h after dark	7.237285	6.95377	7.5208
8 h after dark	7.12193	6.68708	7.55678
12 h after dark	6.6017399999999995	6.5092	6.69428