condition	mean	min	max
4 h after light	8.100623500000001	8.070601	8.130646
8 h after light	8.1074625	8.02112	8.193805
12 h after light	7.706594000000001	7.377144	8.036044
4 h after dark	8.11649	7.681439	8.551541
8 h after dark	8.939585	7.728715	10.150455
12 h after dark	8.682963	8.682963	8.682963