condition	mean	min	max
4 h after light	46.6	46.6	46.6
8 h after light	39.95	39.7	40.2
12 h after light	89.9	83.6	96.2
4 h after dark	78.7	75.2	82.2
8 h after dark	82.85	59.6	106.1
12 h after dark	57.4	55.8	59.0