condition	mean	min	max
4 h after light	7.3	7.3	7.3
8 h after light	5.7	4.5	6.9
12 h after light	6.050000000000001	5.4	6.7
4 h after dark	5.6	4.0	7.2
8 h after dark	14.6	2.9	26.3
12 h after dark	28.7	3.8	53.6