condition	mean	min	max
4 h after light	50.5	50.5	50.5
8 h after light	44.25	15.1	73.4
12 h after light	28.45	5.5	51.4
4 h after dark	91.0	41.3	140.7
8 h after dark	58.65	23.8	93.5
12 h after dark	29.05	18.9	39.2