condition	mean	min	max
4 h after light	20.3	20.3	20.3
8 h after light	14.5	7.9	21.1
12 h after light	5.6	3.1	8.1
4 h after dark	9.55	9.3	9.8
8 h after dark	24.85	3.2	46.5
12 h after dark	8.6	2.0	15.2