condition	mean	min	max
3 h after light	4.32527	3.92864	4.81902
6 h after light	3.5898933333333334	3.09957	4.11629
9 h after light	2.96511	2.33001	3.82719
12 h after light	4.737455	3.86628	5.70936
3 h after dark	7.9248433333333335	7.58303	8.19597
6 h after dark	8.334683333333334	8.13762	8.4777
9 h after dark	7.549903333333334	6.60114	8.19209
12 h after dark	5.012065	4.94423	5.0799