condition	mean	min	max
4 h after light	9.8	9.8	9.8
8 h after light	32.5	29.5	35.5
12 h after light	10.3	6.0	14.6
4 h after dark	44.15	34.9	53.4
8 h after dark	6.25	5.7	6.8
12 h after dark	43.0	26.3	59.7