condition	mean	min	max
0 h after light	4.69933	4.33368	5.06498
4 h after light	6.7122399999999995	5.69702	7.72746
8 h after light	6.834245	6.43332	7.23517
4 h after dark	7.33185	6.29566	8.36804
8 h after dark	8.926415	8.24953	9.6033
12 h after dark	5.09121	4.32178	5.86064