condition	mean	min	max
4 h after light	10.3	10.3	10.3
8 h after light	41.55	26.0	57.1
12 h after light	38.55	34.3	42.8
4 h after dark	30.6	3.1	58.1
8 h after dark	55.35	51.0	59.7
12 h after dark	44.6	32.0	57.2