condition	mean	min	max
4 h after light	12.1	12.1	12.1
8 h after light	9.5	1.4	17.6
12 h after light	8.4	2.3	14.5
4 h after dark	12.45	2.5	22.4
8 h after dark	24.65	19.7	29.6
12 h after dark	6.0	3.1	8.9