condition	mean	min	max
4 h after light	8.2944055	8.007999	8.580812
8 h after light	8.9423985	7.434338	10.450459
12 h after light	9.0030565	8.462762	9.543351
4 h after dark	8.462762	8.462762	8.462762
8 h after dark	8.4818935	8.068085	8.895702
12 h after dark	8.016131	8.016131	8.016131