condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	32.35	30.7	34.0
12 h after light	31.8	26.9	36.7
4 h after dark	6.2	3.0	9.4
8 h after dark	11.35	8.1	14.6
12 h after dark	6.75	2.7	10.8