condition	mean	min	max
4 h after light	4.6	4.6	4.6
8 h after light	7.5	5.4	9.6
12 h after light	4.05	1.0	7.1
4 h after dark	29.25	4.6	53.9
8 h after dark	28.25	5.9	50.6
12 h after dark	17.5	3.1	31.9