condition	mean	min	max
4 h after light	58.4	58.4	58.4
8 h after light	38.2	31.9	44.5
12 h after light	37.45	31.8	43.1
4 h after dark	36.65	31.5	41.8
8 h after dark	28.75	26.0	31.5
12 h after dark	48.3	45.7	50.9