condition	mean	min	max
4 h after light	34.5	34.5	34.5
8 h after light	36.6	13.2	60.0
12 h after light	74.65	60.8	88.5
4 h after dark	63.2	62.8	63.6
8 h after dark	60.85	39.7	82.0
12 h after dark	64.95	60.2	69.7