condition	mean	min	max
4 h after light	65.3	65.3	65.3
8 h after light	42.85	17.5	68.2
12 h after light	19.0	5.8	32.2
4 h after dark	63.75	23.1	104.4
8 h after dark	24.45	7.0	41.9
12 h after dark	23.75	14.9	32.6