condition	mean	min	max
4 h after light	12.5	12.5	12.5
8 h after light	25.65	22.1	29.2
12 h after light	3.0	2.7	3.3
4 h after dark	6.55	2.9	10.2
8 h after dark	8.7	3.4	14.0
12 h after dark	11.0	7.1	14.9