condition	mean	min	max
4 h after light	11.0	11.0	11.0
8 h after light	4.2	4.0	4.4
12 h after light	6.15	4.6	7.7
4 h after dark	31.65	5.3	58.0
8 h after dark	7.75	7.6	7.9
12 h after dark	5.45	5.4	5.5