condition	mean	min	max
4 h after light	57.5	57.5	57.5
8 h after light	40.45	21.9	59.0
12 h after light	67.3	62.6	72.0
4 h after dark	55.95	53.6	58.3
8 h after dark	67.6	50.0	85.2
12 h after dark	64.85	37.9	91.8