condition	mean	min	max
4 h after light	2.4	2.4	2.4
8 h after light	11.3	8.2	14.4
12 h after light	26.6	3.0	50.2
4 h after dark	37.75	18.1	57.4
8 h after dark	29.05	24.5	33.6
12 h after dark	19.3	2.5	36.1