condition	mean	min	max
4 h after light	111.2	111.2	111.2
8 h after light	106.65	106.6	106.7
12 h after light	97.75	90.3	105.2
4 h after dark	75.75	66.0	85.5
8 h after dark	40.5	20.7	60.3
12 h after dark	55.45	50.3	60.6