condition	mean	min	max
4 h after light	1.551815	1.49738	1.60625
8 h after light	5.22275	4.21569	6.22981
12 h after light	1.71003	1.40158	2.01848
4 h after dark	1.253175	1.01504	1.49131
8 h after dark	2.05954	1.82417	2.29491
12 h after dark	1.34314	1.17424	1.51204