condition	mean	min	max
4 h after light	17.0	17.0	17.0
8 h after light	3.95	2.9	5.0
12 h after light	4.15	2.1	6.2
4 h after dark	6.15	4.7	7.6
8 h after dark	25.35	3.7	47.0
12 h after dark	6.55	4.0	9.1