condition	mean	min	max
4 h after light	5.1	5.1	5.1
8 h after light	30.65	29.6	31.7
12 h after light	3.2	2.6	3.8
4 h after dark	5.15	3.7	6.6
8 h after dark	4.35	2.5	6.2
12 h after dark	8.6	5.0	12.2