condition	mean	min	max
4 h after light	47.5	47.5	47.5
8 h after light	7.9	7.8	8.0
12 h after light	46.75	39.5	54.0
4 h after dark	57.85	40.3	75.4
8 h after dark	39.45	16.7	62.2
12 h after dark	48.8	40.7	56.9