condition	mean	min	max
4 h after light	33.7	33.7	33.7
8 h after light	57.0	44.3	69.7
12 h after light	58.8	43.8	73.8
4 h after dark	65.85	42.7	89.0
8 h after dark	32.0	29.4	34.6
12 h after dark	52.85	52.1	53.6