condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	17.45	13.4	21.5
12 h after light	17.700000000000003	17.1	18.3
4 h after dark	2.1	1.6	2.6
8 h after dark	1.05	1.0	1.1
12 h after dark	1.95	1.4	2.5