condition	mean	min	max
4 h after light	19.9	19.9	19.9
8 h after light	4.1499999999999995	1.7	6.6
12 h after light	15.4	6.3	24.5
4 h after dark	8.35	4.0	12.7
8 h after dark	21.6	7.1	36.1
12 h after dark	13.649999999999999	6.1	21.2