condition	mean	min	max
4 h after light	18.9	18.9	18.9
8 h after light	18.85	11.6	26.1
12 h after light	52.75	50.0	55.5
4 h after dark	39.55	33.5	45.6
8 h after dark	35.45	13.5	57.4
12 h after dark	28.6	13.3	43.9