condition	mean	min	max
4 h after light	62.0	62.0	62.0
8 h after light	61.25	60.7	61.8
12 h after light	78.75	65.5	92.0
4 h after dark	80.65	70.0	91.3
8 h after dark	65.55	63.8	67.3
12 h after dark	52.5	47.8	57.2