condition	mean	min	max
4 h after light	70.8	70.8	70.8
8 h after light	64.85	46.7	83.0
12 h after light	51.3	32.8	69.8
4 h after dark	44.3	43.1	45.5
8 h after dark	35.75	31.2	40.3
12 h after dark	64.1	63.8	64.4