condition	mean	min	max
4 h after light	9.7	9.7	9.7
8 h after light	5.95	0.4	11.5
12 h after light	4.15	3.1	5.2
4 h after dark	24.4	21.6	27.2
8 h after dark	27.0	24.7	29.3
12 h after dark	4.45	1.6	7.3