condition	mean	min	max
4 h after light	2.8	2.8	2.8
8 h after light	2.6500000000000004	2.2	3.1
12 h after light	3.3	2.8	3.8
4 h after dark	6.95	6.9	7.0
8 h after dark	11.399999999999999	8.7	14.1
12 h after dark	10.0	7.6	12.4