condition	mean	min	max
4 h after light	2.923185	2.45322	3.39315
8 h after light	4.577515	4.5173	4.63773
12 h after light	7.826425	7.70835	7.9445
4 h after dark	11.1704	11.1534	11.1874
8 h after dark	8.933295000000001	8.86053	9.00606
12 h after dark	6.39194	6.24944	6.53444