condition	mean	min	max
4 h after light	19.4	19.4	19.4
8 h after light	12.649999999999999	6.6	18.7
12 h after light	8.45	7.9	9.0
4 h after dark	7.4	6.0	8.8
8 h after dark	32.55	14.5	50.6
12 h after dark	19.950000000000003	17.1	22.8