condition	mean	min	max
4 h after light	10.297733000000001	9.766399	10.829067
8 h after light	8.856263	8.793001	8.919525
12 h after light	8.698098	8.409943	8.986253
4 h after dark	8.6181105	7.43611	9.800111
8 h after dark	8.748774000000001	7.731149	9.766399
12 h after dark	8.986253	8.986253	8.986253