condition	mean	min	max
4 h after light	8.038428	8.038428	8.038428
8 h after light	7.868073	7.697718	8.038428
12 h after light	7.5668475	7.494007	7.639688
4 h after dark	8.206081000000001	8.038428	8.373734
8 h after dark	8.098746	7.853034	8.344458
12 h after dark	7.718896	7.718896	7.718896