condition	mean	min	max
4 h after light	6.645525	5.9554	7.33565
8 h after light	5.70233	5.6014	5.80326
12 h after light	6.501115	6.25678	6.74545
4 h after dark	9.381365	9.27101	9.49172
8 h after dark	9.356835	9.22769	9.48598
12 h after dark	8.387715	8.32313	8.4523