condition	mean	min	max
4 h after light	4.5633300000000006	4.28976	4.8369
8 h after light	5.12679	5.09798	5.1556
12 h after light	4.05606	3.87658	4.23554
4 h after dark	4.19372	4.16709	4.22035
8 h after dark	3.50157	3.16286	3.84028
12 h after dark	4.86556	4.74876	4.98236